.rev_slider h1.tp-caption{
     font-size:36px !important;
     line-height:42px !important;
     color:#fff;
     text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
 }
 
 .rev_slider div.tp-caption{
     font-size:20px !important;
     line-height:26px !important;
     color:#fff;
 }
  .rev_slider .btn.tp-caption{
     font-size:16px !important;
     line-height:22px;
 }
 html .btn-primary{
     font-size:16px;
 }