<a href="">Button</a>

body
{
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: #04A04F;
}

a
{
    position: relative;
    padding: 20px 20px 20px 30px;
    color: #fff;
    font-size: 20px;
    font-family: sans-serif;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 10px;
    transition: 0.5s;
}

a:hover
{
      background: #04A04F;
    transition-delay: .5s;
    transform: rotate(-30deg) skew(25deg);
    box-shadow: -30px 30px 50px rgba(0,0,0,.4);
}
a:before,
a:after
{
    content: '';
    position: absolute;
    width: 2px;
    height: 100%;
    background: #fff;
    pointer-events: none;
  transform-style: linear;
      transition-property: width, opacity,transform,box-shadow;
      transition-duration: 0.5s;
  
}

a:before
{
  top: 0;
  left: 0;
}

a:after
{
  top: 0;
  right: 0;
}

a:hover:before
{
width:100%;
opacity:0.1 ;
transform: translate(5px,-5px);
box-shadow: 2px 2px 2px rgba(0,0,0,.1);
transition-delay: 0s,0.5s,1s,1.5s;
}

a:hover:after
{
width:100%;
opacity:0.1 ;
transform: translate(10px,-10px);
box-shadow: 2px 2px 2px rgba(0,0,0,.1);
transition-delay: 0s,0.5s,1s,1.5s;
}