section-title-line.css

.section-title {
    margin: 40px 0 30px;
    text-align: center;
}
.section-title:after {
    border-top: 1px solid #555;
    content: "";
    display: block;
    margin-top: -1em;
    position: absolute;
    width: 100%;
    z-index: -1;
}
.section-title-text {
    background: white;
    display: inline-block;
    font-size: 24px;
    padding: 0 20px;
    margin: 0;
    text-transform: uppercase;
    font-weight: normal;
}