* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.sidebar h2 {
    font-size: 18px;
}

.demo-content {
    position: relative;
}

pre .support.close {
    float: none;
    font-size: inherit;
    font-weight: normal;
    opacity: 1;
    text-shadow: none;
}

.section-title {
    display: block;
    font-size: 2.25rem;
    font-weight: 300;
    letter-spacing: 1px;
    margin: 50px 0 25px;
    overflow: hidden;
    text-align: center;
    text-transform: uppercase;
    width: 100%;
}

.section-title span {
    display: inline-block;
    position: relative;
}

.section-title span:before, .section-title span:after {
    border-bottom: 1px solid #ccc;
    border-top: 1px solid #ccc;
    content: "";
    height: 4px;
    position: absolute;
    top: 0.53em;
    width: 400%;
}
.section-title span:before {
    margin-right: 45px;
    right: 100%;
}

.section-title span:after {
    left: 100%;
    margin-left: 45px;
}

.dynamic-selector {
    margin-bottom: 20px;
}