.btn {
  box-sizing: border-box;
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  background-color: transparent;
  border: 2px solid rgba(250, 250, 250, 0.90);
  border-radius: 0.1em;
  color: #eee;
  cursor: pointer;
  align-self: center;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  letter-spacing:1px;
  margin: 0px;
  padding: 0.8em 2.7em;
  text-decoration: none;
  text-align: center;
}
.btn:hover, .btn:focus {
  color: #333;
  outline: 0;
}

.first {
  transition: box-shadow 333ms ease-in-out, color 333ms ease-in-out;
}
.first:hover {
  box-shadow: 0 0 40px 40px rgba(255, 255, 255, 1) inset;
  border: 2px solid rgba(255, 255, 255, 1);
}