Step 1:Create css file like style.css.
@import url("https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;1,100;1,300&family=Slabo+27px&display=swap");
*::after,
*::before {
box-sizing: border-box;
}
html {
scroll-behavior: smooth;
}
body {
margin: 0px;
padding: 0px;
}
ul,
li {
margin: 0px;
padding: 0px;
list-style: none;
font-family: "Roboto", sans-serif;
font-style: normal;
}
h1,
h2,
h3,
h4,
h5,
h6 {
margin: 0px;
padding: 0px;
font-weight: 500;
font-family: "Roboto", sans-serif;
font-style: normal;
}
p {
margin: 0px;
padding: 0px;
font-family: "Roboto", sans-serif;
font-style: normal;
}
table,
thead,
tbody,
tr,
th,
td {
font-family: "Roboto", sans-serif;
font-style: normal;
}
hr {
margin: 0px;
padding: 0px;
}
input,
button,
select,
optgroup,
textarea {
font-family: "Roboto", sans-serif;
font-style: normal;
}
a,
strong,
label,
span,
img,
b {
font-family: "Roboto", sans-serif;
transition: all 0.3s ease 0s;
font-style: normal;
}
a,
a:hover,
a:focus,
a:active,
a:link {
outline: none;
text-decoration: none;
color: #000;
}
a.bs-btn:focus {
outline: 0;
box-shadow: none;
}
button.bs-btn:focus {
outline: 0;
box-shadow: none;
}
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Required meta tags -->
<title>animaion button three</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" type="text/css" href="css/style.css" />
<style type="text/css">
button.bs-btn:focus {
outline: 0;
box-shadow: none;
}
button.bs-btn,
button.bs-btn::after {
-webkit-transition: all 0.3s;
-moz-transition: all 0.3s;
-o-transition: all 0.3s;
transition: all 0.3s;
}
button.bs-btn {
position: relative;
display: inline-block;
min-width: 170px;
max-width: 170px;
padding: 14px 0px;
background: no-repeat;
border: 2px solid #350dda;
border-radius: 5px;
font-size: 14px;
font-weight: 600;
text-transform: uppercase;
cursor: pointer;
color: #350dda;
margin: 3px 0px;
}
button.bs-btn::before,
button.bs-btn::after {
background: #350dda;
content: "";
position: absolute;
z-index: -1;
}
button.bs-btn:hover {
color: #fff;
}
button.bs-btn.btn-one::after {
height: 0;
left: 50%;
top: 50%;
width: 0;
}
button.bs-btn.btn-one:hover:after {
height: 100%;
left: 0;
top: 0;
width: 100%;
}
button.bs-btn.btn-tow::before {
height: 100%;
left: 0;
top: 0;
width: 100%;
}
button.bs-btn.btn-tow::after {
background: #fff;
height: 100%;
left: 0;
top: 0;
width: 100%;
}
button.bs-btn.btn-tow:hover:after {
height: 0;
left: 50%;
top: 50%;
width: 0;
}
button.bs-btn.btn-three {
overflow: hidden;
}
button.bs-btn.btn-three::after {
height: 100%;
left: -35%;
top: 0;
transform: skew(50deg);
transition-duration: 0.6s;
transform-origin: top left;
width: 0;
}
button.bs-btn.btn-three:hover:after {
height: 100%;
width: 135%;
}
@media (max-width: 768px) {
button.bs-btn {
min-width: 150px;
max-width: 150px;
}
}
</style>
</head>
<body>
<!-- container -->
<div class="container">
<div class="button">
<h2>CSS buttons hover effects</h2>
<button class="bs-btn btn-one">hover new</button>
<button class="bs-btn btn-tow">hover new</button>
<button class="bs-btn btn-three">hover new</button>
</div>
</div>
<!-- container end-->
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="js/jquery-3.5.1.min.js"></script>
<script src="js/popper.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/jquery.min.js"></script>
<script src="js/jquery.js"></script>
</body>
</html>