a.btn-primary {
  position: relative;
  display: inline-block;
  background: #192676;
  color: #ffffff;
  border: none;
  border-radius: 0;
  width: 100%;
  font-size: 120%;
  line-height: 1.9;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  padding: 1em 2em;
  transition: all 0.4s;
}
a.btn-primary:visited {
  background: #192676;
  color: #ffffff;
  border: none;
  text-decoration: none;
}
a.btn-primary:active {
  background: #d5d6d9;
  color: #192676;
  border: none;
  text-decoration: none;
}
a.btn-primary:hover {
  background: #d5d6d9;
  color: #192676;
  border: none;
  text-decoration: none;
  opacity: 1;
}
a.btn-primary:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  display: block;
  height: 4px;
  background: #192676;
  transition: all 0.4s;
}
a.btn-primary:hover:before {
  left: 0;
  right: 0;
  background: #192676;
}