HTML
<div class="calculator-grid">
<div class="output">
<div data-previous-operand class="first-operand"></div>
<div data-current-operand class="second-operand"></div>
</div>
<button data-all-clear class="doubled-grid">AC</button>
<button data-delete>DEL</button>
<button data-operation>÷</button>
<button data-number>7</button>
<button data-number>8</button>
<button data-number>9</button>
<button data-operation>*</button>
<button data-number>4</button>
<button data-number>5</button>
<button data-number>6</button>
<button data-operation>+</button>
<button data-number>1</button>
<button data-number>2</button>
<button data-number>3</button>
<button data-operation>-</button>
<button data-number>.</button>
<button data-number>0</button>
<button data-equals class="doubled-grid">=</button>
</div>

CSS
*{
box-sizing: border-box;
font-family: Arial, Helvetica, sans-serif;
font-weight: normal;
}
body{
background: linear-gradient(to right,#e302f3, #00aaff);
}
.calculator-grid{
display: grid;
justify-content: center;
align-content: center;
min-height: 100vh;
grid-template-columns: repeat(4, 100px);
grid-template-rows: minmax(120px, auto) repeat(5, 100px);
}
.calculator-grid > button{
cursor: pointer;
font-size: 2rem;
border: 1px solid white;
outline: none;
background-color: rgba(255, 255, 255, 0.75);
}
.calculator-grid > button:hover{
background-color: rgba(255, 255, 255, 0.9);
}
.doubled-grid{
grid-column: span 2;
}
.output{
grid-column: 1 / -1;
background-color: rgba(0, 0, 0, 0.75);
display: flex;
align-items: flex-end;
justify-content: space-around;
flex-direction: column;
padding: 10px;
word-wrap: break-word;
word-break: break-all;
}
.output .first-operand{
color: rgba(255, 255, 255, 0.75);
font-size: 1.5rem;
}
.output .second-operand{
color: white;
font-size: 2.5rem;
}

JavaScript
class Calculator {
constructor(previousOperandTextElement, currentOperandTextElement) {
this.previousOperandTextElement = previousOperandTextElement;
this.currentOperandTextElement = currentOperandTextElement;
this.clear();
}
clear() {
this.currentOperand = '';
this.previousOperand = '';
this.operation = null;
}
delete() {
this.currentOperand = this.currentOperand.toString().slice(0, -1);
}
appendNumber(number) {
if (number === '.' && this.currentOperand.includes('.')) {
return;
}
this.currentOperand = this.currentOperand.toString() + number.toString();
}
chooseOperation(operation) {
if (this.currentOperand === '') {
return;
}
if (this.previousOperand !== '') {
return this.compute();
}
this.operation = operation;
this.previousOperand = this.currentOperand;
this.currentOperand = '';
}
compute(){
let computation;
const prev = parseFloat(this.previousOperand);
const current = parseFloat(this.currentOperand);
if (isNaN(prev) || isNaN(current)) {
return;
}
switch (this.operation) {
case '+': computation = prev + current;
break;
case '-': computation = prev - current;
break;
case '*': computation = prev * current;
break;
case '÷': computation = prev / current;
break;
default: return;
}
this.currentOperand = computation.toFixed(5);
this.operation = null;
this.previousOperand = '';
}
getDisplayNumber(number) {
const stringNumber = number.toString();
const integerDigits = parseFloat(stringNumber.split('.')[0]);
const decimalDigits = stringNumber.split('.')[1];
let integerDisplay;
if (isNaN(integerDigits)) {
integerDisplay = '';
} else {
integerDisplay = integerDigits.toLocaleString('en', {
maximumFractionDigits: 0
});
}
if (decimalDigits != null) {
return `${integerDisplay}.${decimalDigits}`;
} else {
return integerDisplay;
}
}
updateDisplay() {
this.currentOperandTextElement.innerText = this.getDisplayNumber(
this.currentOperand
);
if (this.operation != null) {
this.previousOperandTextElement.innerText = `${this.getDisplayNumber(
this.previousOperand
)} ${this.operation}`;
} else {
this.previousOperandTextElement.innerText = '';
}
}
}

const numberButtons = document.querySelectorAll('[data-number]');
const operationButtons = document.querySelectorAll('[data-operation]');
const equalsButton = document.querySelector('[data-equals]');
const deleteButton = document.querySelector('[data-delete]');
const allClearButton = document.querySelector('[data-all-clear]');
const previousOperandTextElement = document.querySelector(
'[data-previous-operand]'
);
const currentOperandTextElement = document.querySelector(
'[data-current-operand]'
);
const calculator = new Calculator(
previousOperandTextElement,
currentOperandTextElement
);
numberButtons.forEach(button => {
button.addEventListener('click', () => {
calculator.appendNumber(button.innerText);
calculator.updateDisplay();
});
});
operationButtons.forEach(button => {
button.addEventListener('click', () => {
calculator.chooseOperation(button.innerText);
calculator.updateDisplay();
});
});
equalsButton.addEventListener('click', button => {
calculator.compute();
calculator.updateDisplay();
});
allClearButton.addEventListener('click', button => {
calculator.clear();
calculator.updateDisplay();
});
deleteButton.addEventListener('click', button => {
calculator.delete();
calculator.updateDisplay();
});

HTML
<div class="clock">
<img src="https://dl.dropbox.com/s/f3b3lyanili7zl2/clock%20template-01.svg?raw=1">
<div class="hour hand" id="hour"></div>
<div class="minute hand" id="minute"></div>
<div class="seconds hand" id="seconds"></div>
</div>

CSS
body{
background: url(https://dl.dropbox.com/s/8bojjv34k37t16m/Webp.net-resizeimage%20%282%29.jpg?raw=1) no-repeat center center fixed;
background-size: cover;
height: 100vh;
padding: 0;
margin: 0;
}
.clock{
height: 320px;
width: 320px;
background-color: rgba(255,255,255,0.06);
backdrop-filter: blur(20px);
border-radius: 50%;
position: absolute;
margin: auto;
top: 0;
bottom: 0;
left: 0;
right: 0;
box-shadow: 30px 30px 35px rgba(0,0,0,0.25);
border: 2px solid rgba(255,255,255,0.1);
}
img{
opacity: 0.6;
}
.hand{
position: absolute;
margin: auto;
left: 0;
right: 0;
background-color: rgba(255,255,255,0.2);
backdrop-filter: blur(20px);
border-radius: 5px;
transform-origin: bottom;
}
.hour{
height: 60px;
width: 10px;
top: 100px;
}
.minute{
height: 80px;
width: 5px;
top: 80px;
}
.seconds{
height: 90px;
width: 3px;
top: 70px;
}

JavaScript
var hour = document.getElementById("hour");
var minute = document.getElementById("minute");
var seconds = document.getElementById("seconds");

var set_clock = setInterval(
function clock(){
var date_now = new Date();
var hr = date_now.getHours();
var min = date_now.getMinutes();
var sec = date_now.getSeconds();
var calc_hr = (hr * 30) + (min / 2);
var calc_min = (min * 6) ;
var calc_sec = sec * 6 ;
hour.style.transform = "rotate(" + calc_hr + "deg)";
minute.style.transform = "rotate(" + calc_min + "deg)";
seconds.style.transform = "rotate(" + calc_sec + "deg)";
}, 1000);

HTML
<div class="container">
<div class="img-container">
<img src="https://images.unsplash.com/photo-1534809027769-b00d750a6bac?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1534&q=80">
</div>
<ul class="social-media">
<li><a href="#"><ion-icon name="logo-instagram"></ion-icon></a></li>
<li><a href="#"><ion-icon name="logo-facebook"></ion-icon></a></li>
<li><a href="#"><ion-icon name="logo-youtube"></ion-icon></a></li>
<li><a href="#"><ion-icon name="logo-whatsapp"></ion-icon></a></li>
<li><a href="#"><ion-icon name="logo-tiktok"></ion-icon></a></li>
</ul>
<div class="user-info">
<h2>WEB BEKS</h2>
<span>front-end</span>
</div>
</div>
<script type="module" src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.esm.js"></script>
<script nomodule src="https://unpkg.com/ionicons@5.5.2/dist/ionicons/ionicons.js"></script>

CSS
body {
background-color: #2C3A47;
display: flex;
align-items: center;
justify-content: center;
height: 100vh;
margin: 0;
padding: 0;
}
.container{
position: relative;
height: 500px;
width: 400px;
overflow: hidden;
box-shadow: 0px 2px 5px rgba(0,0,0,0.3);
}
.container:hover{
box-shadow: 1px 2px 10px rgba(0,0,0,0.5);
}
.img-container{
background-color: #000;
position: absolute;
left: 0;
top: 0;
height: 100%;
width: 100%;
transition: transform 0.3s ease-out;
z-index: 2;
}
.img-container:hover{
cursor: pointer;
}
.container:hover .img-container{
transform: translateY(-100px);
}
.img-container > img {
height: 100%;
width: 100%;
transition: opacity 0.3s ease-out;
}
.container:hover > .img-container > img{
opacity: 0.5;
}
.social-media {
display: flex;
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
z-index: 3;
margin: 0;
padding: 0;
}
.social-media > li{
list-style: none;
}
.social-media > li > a{
display: block;
height: 50px;
width: 50px;
background-color: #FFF;
text-align: center;
color: #262626;
margin: 0 5px;
border-radius: 50%;
opacity: 0;
transition: all 0.3s ease-out;
}
.container:hover > .social-media > li > a{
opacity: 1;
}
.social-media > li > a > ion-icon {
font-size: 24px;
margin: 13px 0;
transition: transform 0.3s ease-out;
}
.social-media > li > a:hover > ion-icon {
transform: rotateY(360deg);
}
.container:hover .social-media li:nth-child(2) a{
transition-delay: 0.1s;
}
.container:hover .social-media li:nth-child(3) a{
transition-delay: 0.2s;
}
.container:hover .social-media li:nth-child(4) a{
transition-delay: 0.3s;
}
.container:hover .social-media li:nth-child(5) a{
transition-delay: 0.4s;
}
.user-info{
position: absolute;
bottom: 0;
left: 0;
background-color: #FFF;
height: 100px;
width: 100%;
box-sizing: border-box;
padding: 10px;
text-align: center
}
.user-info > h2{
margin: 10px 0;
}
.user-info > span{
color: #262626;
font-size: 16px;
}

HTML

<div class="container">
<div class="box">
<span></span>
<div class="content">
<h2>Card one</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
<a href="#">Read More</a>
</div>
</div>
<div class="box">
<span></span>
<div class="content">
<h2>Card two</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
<a href="#">Read More</a>
</div>
</div>
<div class="box">
<span></span>
<div class="content">
<h2>Card Three</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
<a href="#">Read More</a>
</div>
</div>
</div>

CSS

body{
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
background: #1d061a;
font-family: consolas;
}
.container{
display: flex;
justify-content: center;
align-items: center;
flex-wrap: wrap;
padding: 40px 0;
}
.box{
position: relative;
width: 320px;
height: 400px;
display: flex;
justify-content: center;
align-items: center;
margin: 40px 30px;
transition: 0.5s;
}
.box::before{
content:' ';
position: absolute;
top: 0;
left: 50px;
width: 50%;
height: 100%;
text-decoration: none;
background: #fff;
border-radius: 8px;
transform: skewX(15deg);
transition: 0.5s;
}
.box::after{
content:'';
position: absolute;
top: 0;
left: 50;
width: 50%;
height: 100%;
background: #fff;
border-radius: 8px;
transform: skewX(15deg);
transition: 0.5s;
filter: blur(30px);
}
.box:hover:before,
.box:hover:after{
transform: skewX(0deg);
left: 20px;
width: calc(100% - 90px);
}
.box:nth-child(1):before,
.box:nth-child(1):after{
background: linear-gradient(315deg, #ffbc00, #ff0058)
}
.box:nth-child(2):before,
.box:nth-child(2):after{
background: linear-gradient(315deg, #03a9f4, #ff0058)
}
.box:nth-child(3):before,
.box:nth-child(3):after{
background: linear-gradient(315deg, #4dff03, #00d0ff)
}
.box span{
display: block;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 5;
pointer-events: none;
}
.box span::before{
content:'';
position: absolute;
top: 0;
left: 0;
width: 0;
height: 0;
border-radius: 8px;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
opacity: 0;
transition: 0.1s;
animation: animate 2s ease-in-out infinite;
box-shadow: 0 5px 15px rgba(0,0,0,0.08)
}
.container .box:hover span::before{
top: -50px;
left: 50px;
width: 100px;
height: 100px;
opacity: 1;
}
.container .box span::after{
content:'';
position: absolute;
bottom: 0;
right: 0;
width: 100%;
height: 100%;
border-radius: 8px;
background: rgba(255, 255, 255, 0.1);
backdrop-filter: blur(10px);
opacity: 0;
transition: 0.5s;
animation: animate 2s ease-in-out infinite;
box-shadow: 0 5px 15px rgba(0,0,0,0.08);
animation-delay: -1s;
}
.container .box:hover span:after{
bottom: -50px;
right: 50px;
width: 100px;
height: 100px;
opacity: 1;
}
@keyframes animate{
0%, 100%
{
transform: translateY(10px);
}
50%
{
transform: translate(-10px);
}
}
.box .content{
position: relative;
left: 0;
padding: 20px 40px;
background: rgba(255, 255, 255, 0.05);
backdrop-filter: blur(10px);
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
border-radius: 8px;
z-index: 1;
transform: 0.5s;
color: #fff;
}
.box:hover .content{
left: -25px;
padding: 60px 40px;
}
.box .content h2{
font-size: 2em;
color: #fff;
margin-bottom: 10px;
}
.box .content p{
font-size: 1.1em;
margin-bottom: 10px;
line-height: 1.4em;
}
.box .content a{
display: inline-block;
font-size: 1.1em;
color: #111;
background: #fff;
padding: 10px;
border-radius: 4px;
text-decoration: none;
font-weight: 700;
margin-top: 5px;
}
.box .content a:hover{
background: #ffcf4d;
border: 1px solid rgba(255, 0, 88, 0.4);
box-shadow: 0 1px 15px rgba(1, 1, 1, 0.2);
}

HTML

<div class="container">
<div class="card">
<div class="face face1">
<div class="content">
<i class="fab fa-windows"></i>
<h3>Windows</h3>
</div>
</div>
<div class="face face2">
<div class="content">
<p> Lorem ipsum dolor sit amet consectetur adipisicing elit. Unde ab repudiandae, explicabo voluptate et hic
cum ratione a.</p>
<a href="#" type="button">Read More</a>
</div>
</div>
</div>
<div class="card">
<div class="face face1">
<div class="content">
<i class="fab fa-android"></i>
<h3>Android</h3>
</div>
</div>
<div class="face face2">
<div class="content">
<p> Lorem ipsum dolor sit amet consectetur adipisicing elit. Unde ab repudiandae, explicabo voluptate et hic
cum ratione a.</p>
<a href="#" type="button">Read More</a>
</div>
</div>
</div>
<div class="card">
<div class="face face1">
<div class="content">
<i class="fab fa-apple"></i>
<h3>Apple</h3>
</div>
</div>
<div class="face face2">
<div class="content">
<p> Lorem ipsum dolor sit amet consectetur adipisicing elit. Unde ab repudiandae, explicabo voluptate et hic
cum ratione a.</p>
<a href="#" type="button">Read More</a>
</div>
</div>
</div>
</div>
<script src="https://kit.fontawesome.com/95a02bd20d.js"></script>

CSS

body{
display:flex;
margin:0;
padding:0;
min-height: 100vh;
background: #444;
justify-content: center;
align-items: center;
font-family: arial;
}
.container{
width: 1000px;
position: relative;
display: flex;
justify-content: space-between;
flex-wrap:wrap;
}
.card{
position: relative;
}
.face{
width:300px;
height: 200px;
transition:.4s;
}
.face1{
position: relative;
background: #333;
display: flex;
justify-content: center;
align-content:center;
align-items: center;
z-index: 1;
transform: translateY(100px);
}
.card:hover .face.face1{
transform: translateY(0);
box-shadow:
inset 0 0 60px whitesmoke,
inset 20px 0 80px #f0f,
inset -20px 0 80px #0ff,
inset 20px 0 300px #f0f,
inset -20px 0 300px #0ff,
0 0 50px #fff,
-10px 0 80px #f0f,
10px 0 80px #0ff;
}
.face.face1 .content{
opacity: .2;
transition: 0.5s;
text-align: center;
}
.card:hover .face.face1 .content{
opacity: 1;
}
.face.face1 .content i{
font-size: 3em;
color: white;
display: inline-block;
}
.face.face1 .content h3{
font-size: 1em;
color: white;
text-align: center;
}
.face.face1 .content a{
transition: .5s;
}
.face.face2{
position: relative;
background: whitesmoke;
display: flex;
align-items: center;
justify-content: center;
padding: 20px;
box-sizing: border-box;
box-shadow: 0 20px 50px rgba(0,0,0,.8);
transform: translateY(-100px);
}
.card:hover .face.face2{
transform: translateY(0);
}
p, a{
font-size: 10pt;
margin: 0 ;
padding: 0;
color:#333;
}
a{
text-decoration:none;
color: black;
box-sizing: border-box;
outline : 1px dashed #333;
padding: 10px;
margin: 15px 0 0;
display: inline-block;
}
a:hover{
background: #333 ;
color: whitesmoke;
box-shadow: inset 0px 0px 10px rgba(0,0,0,0.5);
}

HTML

<header>
<div class="container container_solid">
<div class="title_wrapper">
<h1>The Great Outdoors</h1>
</div>
</div>
<div class="container container_image" aria-hidden="true">
<div class="title_wrapper">
<h1>The Great Outdoors</h1>
</div>
</div>
</header>
<section>
<h2>Lorem ipsum dolor sit amet.</h2>
<p>Consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim
veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor
in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat
non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
<p>
Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem
aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo. Nemo
enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui
ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur,
adipisci velit, sed quia non numquam eius modi tempora incidunt ut labore et dolore magnam aliquam quaerat
voluptatem. Ut enim ad minima veniam, quis nostrum exercitationem ullam corporis suscipit laboriosam, nisi ut
aliquid ex ea commodi consequatur? Quis autem vel eum iure reprehenderit qui in ea voluptate velit esse quam nihil
molestiae consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla pariatur?
</p>
</section>

CSS

header{
height: 200vh;
}
.container{
clip: rect(0, auto, auto, 0);
overflow: hidden;
position: absolute;
height: 100vh;
left: 0;
width: 100%;
}
.container_solid{
background: white;
top: 0;
}
.title_wrapper{
position: fixed;
display: block;
margin: auto;
width: 100%;
top: 50%;
-webkit-transform: translateY(-50%);
-ms-transform: translateY(-50%);
transform: translateY(-50%);
}
.title_wrapper h1{
text-align: center;
font-size: 64px;
text-transform: uppercase;
text-align: center;
font-family: 'Fraunces', serif;
font-weight: 900;
}
.container_solid .title_wrapper h1{
background: url(https://images.unsplash.com/photo-1575058752200-a9d6c0f41945?&q=85);
background-size: 100vw auto;
background-position: center;
-webkit-text-fill-color: transparent;
background-clip: text;
-webkit-background-clip: text;
color: black;
}
.container_image{
background-image: url(https://images.unsplash.com/photo-1575058752200-a9d6c0f41945?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjE0NTg5fQ);
background-size: 100vw auto;
background-position: center;
background-attachment: fixed;
top: 100vh;
}
.container_image .title_wrapper h1{
color: white;
}
section{
min-height: 100vh;
padding: 2em;
margin: auto;
max-width: 800px;
}
section h2{
font-family: 'Fraunces', serif;
}

HTML

<ul>
<li>
<a href="#">
<i class="fa fa-facebook"></i>
<span> - Facebook</span>
</a>
</li>
<li>
<a href="#">
<i class="fa fa-twitter"></i>
<span> - Twitter</span>
</a>
</li>
<li>
<a href="#">
<i class="fa fa-google-plus"></i>
<span> - Google</span>
</a>
</li>
<li>
<a href="#">
<i class="fa fa-instagram"></i>
<span> - Instagram</span>
</a>
</li>
</ul>
<script src="https://kit.fontawesome.com/95a02bd20d.js"></script>

CSS

body{
margin:0;
padding:0;
background:#222;
}
ul{
position:absolute;
top:50%;
left:50%;
transform:translate(-50%, -50%);
display:flex;
font-family: sans-serif;
}
ul li{
list-style:none;
margin:0 5px;
}
ul li a .fa{
font-size: 40px;
color: #262626;
line-height:80px;
transition: .5s;
padding-right: 14px;
}
ul li a span{
position:absolute;
top: 30px;
color: #262626;
letter-spacing: 4px;
transition: .5s;
}
ul li a{
text-decoration: none;
display:block;
width:210px;
height:80px;
background: #fff;
text-align:left;
padding-left: 20px;
transform: rotate(-30deg) skew(25deg) translate(0,0);
transition:.5s;
box-shadow: -20px 20px 10px rgba(0,0,0,.5);
}
ul li a:before{
content: '';
position: absolute;
top:10px;
left:-20px;
height:100%;
width:20px;
background: #b1b1b1;
transform: .5s;
transform: rotate(0deg) skewY(-45deg);
}
ul li a:after{
content: '';
position: absolute;
bottom:-20px;
left:-10px;
height:20px;
width:100%;
background: #b1b1b1;
transform: .5s;
transform: rotate(0deg) skewX(-45deg);
}
ul li a:hover{
transform: rotate(-30deg) skew(25deg) translate(20px,-15px);
}
ul li:hover .fa{
color:#fff;
}
ul li:hover span{
color:#fff;
}
ul li:hover:nth-child(1) a{
background: #3b5998;
}
ul li:hover:nth-child(1) a:before{
background: #365492;
}
ul li:hover:nth-child(1) a:after{
background: #4a69ad;
}
ul li:hover:nth-child(2) a{
background: #00aced;
}
ul li:hover:nth-child(2) a:before{
background: #097aa5;
}
ul li:hover:nth-child(2) a:after{
background: #53b9e0;
}
ul li:hover:nth-child(3) a{
background: #dd4b39;
}
ul li:hover:nth-child(3) a:before{
background: #b33a2b;
}
ul li:hover:nth-child(3) a:after{
background: #e66a5a;
}
ul li:hover:nth-child(4) a{
background: #e4405f;
}
ul li:hover:nth-child(4) a:before{
background: #d81c3f;
}
ul li:hover:nth-child(4) a:after{
background: #e46880;
}

HTML

<div class="container">
<div class="btn btn-two">
<span>HOVER ME</span>
</div>
</div>
<div class="container">
<div class="btn btn-two">
<span>HOVER ME</span>
</div>
</div>
<div class="container">
<div class="btn btn-two">
<span>HOVER ME</span>
</div>
</div>

CSS

body {
display: flex;
justify-content: center;
align-items: center;
background-color: #222;
height: 90vh;
font-family: 'Courier New', Courier, monospace;
}
.container{
margin: 10px;
}
.btn{
line-height: 50px;
height: 50px;
text-align: center;
width: 300px;
cursor: pointer;
}
.btn-two{
color: #fff;
transition: all 0.5s;
position: relative;
}
span{
display: block;
position: absolute;
width: 100%;
}
.btn-two::before{
content: '';
position: absolute;
left: 0;
width: 100%;
height: 100%;
transition: all 0.5s;
border: 1px solid rgba(255,255,255,0.2);
background-color: rgba(255,255,255,0.1);
}
.btn-two::after{
content: '';
position: absolute;
left: 0;
width: 100%;
height: 100%;
transition: all 0.5s;
border: 1px solid rgba(255,255,255,0.2);
background-color: rgba(255,255,255,0.1);
}
.btn-two:hover::before{
transform: rotate(-45deg);
background-color: rgba(255,255,255,0);
}
.btn-two:hover::after{
transform: rotate(45deg);
background-color: rgba(255,255,255,0);
}