.btn-3 {
  background: rgb(0,172,238);
background: linear-gradient(0deg, rgba(0,172,238,1) 0%, rgba(2,126,251,1) 100%);
  width: 130px;
  height: 40px;
  line-height: 42px;
  padding: 0;
  border: none;
  color: white;
  
}
.btn-3 span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-3:before,
.btn-3:after {
  position: absolute;
  content: "";
  right: 0;
  top: 0;
   background: rgba(2,126,251,1);
  transition: all 0.3s ease;
}
.btn-3:before {
  height: 0%;
  width: 2px;
}
.btn-3:after {
  width: 0%;
  height: 2px;
}
.btn-3:hover{
  background: linear-gradient(0deg, rgba(0,172,238,1) 0%, rgba(2,126,251,1) 100%);
  box-shadow:  4px 4px 6px 0 rgba(255,255,255,.5),
              -4px -4px 6px 0 rgba(116, 125, 136, .5), 
    inset -4px -4px 6px 0 rgba(255,255,255,.2),
    inset 4px 4px 6px 0 rgba(0, 0, 0, .4);
}
.btn-3 span:hover{
   color: rgba(2,126,251,1);
}
.btn-3 span:before,
.btn-3 span:after {
  position: absolute;
  content: "";
  left: 0;
  bottom: 0;
   background: rgba(2,126,251,1);
  transition: all 0.3s ease;
}
.btn-3 span:before {
  width: 2px;
  height: 0%;
}
.btn-3 span:after {
  width: 0%;
  height: 2px;
} */
.btn-3 span:hover:before {
  height: 100%;
}
.btn-3 span:hover:after {
  width: 100%;
}



/* 1 */
.btn-1 {
  background: rgb(6,14,131);
  background: linear-gradient(0deg, rgba(6,14,131,1) 0%, rgba(12,25,180,1) 100%);
  border: none;
  color: white;
}
.btn-1:hover {
   background: rgb(0,3,255);
background: linear-gradient(0deg, rgba(0,3,255,1) 0%, rgba(2,126,251,1) 100%);
}




/* 2 */
.btn-2 {
  background: rgb(96,9,240);
  background: linear-gradient(0deg, rgba(96,9,240,1) 0%, rgba(129,5,240,1) 100%);
  border: none;
  color: white;
  
}
.btn-2:before {
  height: 0%;
  width: 2px;
}
.btn-2:hover {
  box-shadow:  4px 4px 6px 0 rgba(255,255,255,.5),
              -4px -4px 6px 0 rgba(116, 125, 136, .5), 
    inset -4px -4px 6px 0 rgba(255,255,255,.2),
    inset 4px 4px 6px 0 rgba(0, 0, 0, .4);
}