<html>
  <head></head>
  <body>
    <a class="kb-btn kb-btn-1">Button 1</a><br>
    <a class="kb-btn kb-btn-round kb-btn-2">Button 2</a><br>
    <a class="kb-btn kb-btn-3">Button 3</a><br>
    <a class="kb-btn kb-btn-round kb-btn-4">Button 4</a><br>
  </body>
</html>
.kb-btn {
    margin: 10px;
    padding: 20px;
    text-align: center;
    text-transform: uppercase;
    transition: 0.5s;
    background-size: 200% auto;
    color: white;
    /* text-shadow: 0px 0px 10px rgba(0,0,0,0.2); */
    box-shadow: 0 0 20px #eee;
    border-radius: 10px;
    width: 200px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    transition: all 0.3s cubic-bezier(.25,.8,.25,1);
    cursor: pointer;
    display: block;
}
.kb-btn:hover{
  	box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
}
.kb-btn-round{
  border-radius: 25px;
}
.kb-btn-1 {background-image: linear-gradient(to right, #DD5E89 0%, #F7BB97 51%, #DD5E89 100%)}
.kb-btn-1:hover { background-position: right center; }

.kb-btn-2 {background-image: linear-gradient(to right, #2BC0E4 0%, #EAECC6 51%, #2BC0E4 100%)}
.kb-btn-2:hover { background-position: right center; }

.kb-btn-3 {background-image: linear-gradient(to right, #7474BF 0%, #348AC7 51%, #7474BF 100%)}
.kb-btn-3:hover { background-position: right center; }

.kb-btn-4 {background-image: linear-gradient(to right, #00d2ff 0%, #3a7bd5 51%, #00d2ff 100%)}
.kb-btn-4:hover { background-position: right center; }

External CSS

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External JavaScript

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