.page-title{
    background-image: linear-gradient( rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5) ), url("/images/background.jpg");
    width: 100%;
    height: 20%;
}

.page-title-heading h2{
    padding-left: 20px;
    margin-bottom: 12px;
    color: white;
}

.page-title-heading h2:before{
    display: block;
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 5px;
    background-color: dodgerblue;
}

.diagram{
    width:100%;
}

.fa-angle-left:hover, .fa-angle-right:hover{
    transition-duration: 0.1s;
}