.circle {
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50%;
    font-size: 12px;
    text-align: center;
    font-weight: 600;
}

.circle-line {
    width: 100px;
    height: 7px;
    z-index: -1;
    margin: 0 -1px;
}

@media (max-width: 480px) {
    .circle-line {
        max-width: 50px;
    }
}