:root {
    --primary: #06bfbd;
}

.title-line--left,
.title-line--center,
.title-line--right {
    position: relative;
}

.title-line--left::before,
.title-line--center::before,
.title-line--right::before {
    content: '';
    display: block;
    background-color: var(--primary);
    height: 8px;
    position: absolute;
    bottom: -4px;
    width: 200px;
}

.title-line--left::before {
    left: 0;
}

.title-line--center::before {
    left: 0;
    right: 0;
    margin: 0 auto;
}

.title-line--right::before {
    right: 0;
}