a.button2 {
  text-decoration: none;
  outline: none;
  display: inline-block;
  padding: 8px 40px;
  position: relative;
  overflow: hidden;
  border: 3px dotted #eeeeee;
  border-radius: 8px;
  font-family: 'Montserrat', sans-serif; 
  color: #288ca8;
  transition: .2s ease-in-out;
background:#fcfdfe;
font-size: 15px;
width:100%;
text-align:center;
}
a.button2:before {
  content: "";
  background: linear-gradient(90deg, rgba(255,255,255,.1), rgba(255,255,255,.5));
  height: 50px;
  width: 50px;
  position: absolute;
  top: -8px;
  left: -75px;
  transform: skewX(-45deg);
}
a.button2:hover {
  background: #5da3f2;
  color: #fff;
}
a.button2:hover:before {
  left: 150px;
  transition: .5s ease-in-out;
}