JSFiddle - React, Tailwind, and code Playground

by Vince Richter

HTML

<div id="wrapper">
  <div class="btn1">
    <p></p>
  </div>

CSS

* {
  margin: 0;
  padding: 0;
}

body {
  background: #00bfb6;
  font-family: arial;
}



#wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}


.btn1{
  width: 220px;
  height: 45px;
  line-height: 45px;
  position: relative;
  cursor: pointer;
  border: 3px solid #fff;
  margin: 30px 0;
  overflow: hidden;
}


#wrapper div > p {
  position: relative;
  z-index: 1;
  color: #fff;
  font-weight: 900;
  text-transform: uppercase;
  text-align: center;
  transition: all 1s ease;
}


.btn1:before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  background: #fff;
  width: 100%;
  height: 100%;
  
  transition: all 1s ease;
}

.btn1:before {
  top: -50px;
}


#wrapper div > p:hover {
  color: #00bfb6;
  transition: all 1s ease;
}


.btn1:hover:before{
  top: 0px;
  transition: all 1s ease;
}