botonesfeos.css

/* Buttons :3 */

.btn{
  background:#f0f0f0;
  border:none;
  color:#707070;
  padding:11px 15px;
  border-radius:3px;
  cursor:pointer;
  outline:none;
  border-bottom:solid 4px #e0e0e0;
  position:relative;
  font-weight:bolder;
  letter-spacing:.8px;
  font-family: inherit;
}

.btn:active{
  top:2px;
  border-bottom:solid 3px #e0e0e0;
}

.btn.r{
  background:#F95859;
  color:#f0f0f0;
  border-color:#E43838;
}

.btn.b{
  background:#3498db;
  color:#f0f0f0;
  border-color:#277FBA;
}
.btn.g{
  background:#16a085;
  color:#f0f0f0;
  border-color:#1C7765;
}