#main-content button.back-btn {
  background-color: transparent;
  color: #1866c8;
  cursor: pointer;
  display: block;
  font-size: 18px;
  line-height: 30px;
  margin: 0 0 5px;
  padding: 0 0 0 18px;
  position: relative;
  text-align: left;
  width: auto;
}

#main-content button.back-btn:hover {
  background-color: transparent;
}

#main-content button.back-btn::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cg stroke='none' fill='none' transform='matrix(-1, 0, 0, 1, 7.20561, -0.267687)'%3E%3Cpolygon points='1 10.4918191 5.46968239 5.97690087 1.00096246 1.5120308 1.51010587 1 6.48604427 5.97690087 1.51299326 11' stroke='%231866c8'%3E%3C/polygon%3E%3C/g%3E%3C/svg%3E");
  content: '';
  height: 16px;
  left: 0;
  margin-top: -6px;
  top: 50%;
  position: absolute;
  width: 16px;
}

#main-content button.back-btn .animate {
  background-image: -webkit-gradient(linear,left top,left bottom,from(#1866c0),to(#1866c0));
  background-image: linear-gradient(#1866c0,#1866c0);
  background-position: 100% 100%;
  background-repeat: no-repeat;
  background-size: 100% 1px;
  -webkit-transition: background-size .3s ease .15s;
  transition: background-size .3s ease .15s;
}

#main-content button.back-btn:hover .animate {
  background-size: 0 1px;
}