body,h1,h2,h3,h4,h5 {font-family: "Raleway", sans-serif}
.w3-quarter img{margin-bottom: -6px; cursor: pointer}
.w3-quarter img:hover{opacity: 0.6; transition: 0.3s}
.responsive-youtube
{overflow:hidden; padding-bottom:56.25%; position:relative; height:0;}
.responsive-youtube iframe
{left:0; top:0; height:100%; width:100%; position:absolute;}