.custom-btn {
  width: 130px;
  height: 40px;
  color: #fff;
  border-radius: 5px;
  padding: 10px 25px;
  font-family: 'Lato', sans-serif;
  font-weight: 500;
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
   box-shadow:inset 2px 2px 2px 0px rgba(153, 153, 153,.5),
   7px 7px 20px 0px rgba(0,0,0,.1),
   4px 4px 5px 0px rgba(0,0,0,.1);
  outline: none;
}
.btn-5 {
  width: 130px;
  height: 40px;
  line-height: 42px;
  padding: 0;
  border: none;
  background: rgb(255,27,0);
background: linear-gradient(0deg, rgba(102, 153, 153,1) 0%, rgba(102, 153, 153,1) 100%);
}
.btn-5:hover {
  color: #ffffff;
  background: transparent;
   box-shadow:none;
}
.btn-5:before,
.btn-5:after{
  content:'';
  position:absolute;
  top:0;
  right:0;
  height:2px;
  width:0;
  background: #64baba;
  box-shadow:
   -1px -1px 5px 0px #999999,
   7px 7px 20px 0px #202B40,
   4px 4px 5px 0px #202B40;
  transition:400ms ease all;
}
.btn-5:after{
  right:inherit;
  top:inherit;
  left:0;
  bottom:0;
}
.btn-5:hover:before,
.btn-5:hover:after{
  width:100%;
  transition:800ms ease all;
}