.left {
    position: absolute;
    top: 30px;
    left: 30px;
    z-index: 99;
}

.button-left {
    /* position: relative; */
    width: 40px;
    height: 30px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-bottom: 10px;
    /* background-color: transparent; */
}

.button-left span {
    position: absolute;
    display: block;
    height: 5px;
    width: 100%;
    border-radius: 9px;
    background-color: var(--pink);
    /* opacity: 1; */
    transition: all 0.3s ease-in-out;
}

.button-left span:nth-child(1) {
    top: 0;
}

.button-left span:nth-child(4) {
    bottom: 0;
}

.button-left.open span:nth-child(1) {
    top: 14px;
    width: 0;
}

.button-left.open span:nth-child(2) {
    transform: rotate(45deg);
}

.button-left.open span:nth-child(3) {
    transform: rotate(-45deg);
}

.button-left.open span:nth-child(4) {
    bottom: 14px;
    width: 0;
}