.register-heading__brief p {
    font-size: 20px;
    color: #000;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 20px;
    position: relative;
}

.register-heading__brief ul li {
    color: #000;
    margin-bottom: 5px;
}

.register-heading__brief p:before {
    content: '';
    position: absolute;
    width: 100px;
    height: 2px;
    background: #000;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}