.header-container{
  background-image: linear-gradient(bottom, #20AFDF 6%, #25C6FC 53%);
  background-image: -o-linear-gradient(bottom, #20AFDF 6%, #25C6FC 53%);
  background-image: -moz-linear-gradient(bottom, #20AFDF 6%, #25C6FC 53%);
  background-image: -webkit-linear-gradient(bottom, #20AFDF 6%, #25C6FC 53%);
  background-image: -ms-linear-gradient(bottom, #20AFDF 6%, #25C6FC 53%);
  background-image: -webkit-gradient(
    linear,
    left bottom,
    left top,
    color-stop(0.06, #20AFDF),
    color-stop(0.53, #25C6FC)
    );
  border-top: 1px solid #21bbed;
  -webkit-box-shadow: inset 1px 4px 9px -6px;
  box-shadow: inset 1px 4px 9px -6px; 
}