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

  /* Chrome 10-25, Safari 5.1-6 */
  background: -webkit-linear-gradient(
    to right,
    rgba(225, 225, 225),
    rgba(225, 225, 225)
  );

  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  background: linear-gradient(
    to right,
    rgba(225, 225, 225),
    rgba(225, 225, 225)
  );
}