<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <div class="middle">
      <a href="" class="btn btn1">Hover Me</a>
      <a href="" class="btn btn2">Hover Me</a>
      <a href="" class="btn btn3">Hover Me</a>
      <a href="" class="btn btn4">Hover Me</a>
    </div>
  </body>
</html>
body{
  margin: 0;
  padding: 0;
  background: #2d3436;
}
.middle{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}
.btn{
  position: relative;
  display: block;
  color: white;
  font-size: 14px;
  font-family: "montserrat";
  text-decoration: none;
  margin: 30px 0;
  border: 2px solid #ff7675;
  padding: 14px 60px;
  text-transform: uppercase;
  overflow: hidden;
  transition: 1s all ease;
}
.btn::before{
  background: #ff7675;
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  z-index: -1;
  transition: all 0.6s ease;
}

.btn1::before{
  width: 0%;
  height: 100%;
}

.btn1:hover::before{
  width: 100%;
}


.btn2::before{
  width: 100%;
  height: 0%;
}
.btn2:hover::before{
  height: 100%;
}

.btn3::before{
  width: 100%;
  height: 0%;
  transform: translate(-50%,-50%) rotate(45deg);
}
.btn3:hover::before{
  height: 380%;
}

.btn4::before{
  width: 100%;
  height: 0%;
  transform: translate(-50%,-50%) rotate(-45deg);
}
.btn4:hover::before{
  height: 380%;
}
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