/* Total Engineering scroll top */
.total_scroll_top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 68px;
    height: 68px;
    padding: 0;
    color: #181b20;
    background: #fff;
    border: 1px solid #9da2a6;
    opacity: 0;
    visibility: hidden;
    transform: translateY(18px);
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
    cursor: pointer;
}

.total_scroll_top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.total_scroll_top span {
    display: block;
    padding-bottom: 5px;
    font-size: 31px;
    font-weight: 300;
    line-height: 1;
    border-bottom: 1px solid #181b20;
}

@media (max-width: 768px) {
    .total_scroll_top {
        right: 18px;
        bottom: 18px;
        width: 52px;
        height: 52px;
    }

    .total_scroll_top span {
        font-size: 24px;
    }
}