.gradient-custom {
  /* fallback for old browsers */
  background: #6a11cb;

  /* Chrome 10-25, Safari 5.1-6 */
  background: -webkit-linear-gradient(to bottom right, rgba(68, 110, 155, 1), rgba(68, 110, 155, 0.5));

  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  background: linear-gradient(to bottom right, rgba(68, 110, 155, 1), rgba(68, 110, 155, 0.5))
}