.back-to-top-btn {
    border: 1px solid #55bfdc;
    background: #fff;
    border-radius: 4px;
    color: #55bfdc;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 10px 30px;

    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    box-shadow: 1px 5px 5px rgba(0, 0, 0, 0.22);
    transition:
            opacity 200ms ease,
            visibility 200ms ease,
            transform 200ms ease,
            background-color 200ms ease;
}

.back-to-top-wrap {
    text-align: right;
    position: fixed;
    z-index: 9999;
    bottom: 5%;
}

.back-to-top-btn:hover,
.back-to-top-btn:focus {
    background: #eef6f8;
    color: #55bfdc;
    border-color: #55bfdc;
    outline: none;
    box-shadow: 1px 5px 5px rgba(0, 0, 0, 0.22);
}

.back-to-top-icon {
    position: relative;
    display: inline-block;
}

.back-to-top-btn.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}