@media (min-width: 769px){
    .header-slider .ba-slideshow-caption:before {
        border: 10px solid rgba(89, 197, 112, 0.5);
        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: 50vw solid #fff;
        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;
  }
  
  .section-triangle:after {
    border: 50vh solid #1a1a1a;
    border-right: 49vh solid transparent;
    content: "";
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: calc(100vw - 100vh);
    z-index: 0;
	}
}