@media (min-width: 769px){
    .header-slider .ba-slideshow-caption:before {
        content: "";
        height: 300px;
        left: 50%;
        position: absolute;
        top: 50%;
        transform: translate(-50%, -50% )rotate(45deg);
        -webkit-transform: translate(-50%, -50% )rotate(45deg);
        width: 300px;
        z-index: -1;
    }

    .header-slider:before {
       
        border-top: 150px solid transparent;
        border-bottom: 0;
        bottom: 0;
        content: "";
        position: absolute;
        z-index: 5;
  }
  
  .gridbox .header-slider:before {
    	left: -50px;
  }
  
  .header {
  	transition: background .3s ease-in-out;
    -webkit-transition: background .3s ease-in-out;
  }
  
  .header.fixed-header {
  		background: #1a1a1a;
  }
  
	
  }
}