.indigo-sh1 {
    position: relative;
    overflow: hidden;
    margin: 1rem auto;
    text-align: center;
    width: 100%;
}

.indigo-sh1, .indigo-sh1 * {
    color: rgba(146, 160, 175, 0.5);
}

.indigo-sh1-holder {
    position: absolute;
    display: block;
    top: 49.99%;
    width: 500px;
    border-top: 2px solid black;
    content: '';
}

.indigo-sh1-left {
    right: 100%;
    margin-right: 1em;
}

.indigo-sh1-right {
    left: 100%;
    margin-left: 1em;
}

.indigo-sh1-text {
    position: relative;
    display: inline-block;
    top: 50%;
    color: black;
    font-size: 22px;
}