button[data-ui="hamburgerBtn"],
.lines {
    display: inline-block;
    border: none;
    background-color: transparent;
    -webkit-transition: all .3s ease-in-out;
    transition: all .3s ease-in-out;
}

button[data-ui="hamburgerBtn"] {
    --size-hamBtn: 52px;
    position: fixed;
    bottom: 16px;
    right: 16px;
    display: block;
    cursor: pointer;
    min-width: var(--size-hamBtn);
    max-width: var(--size-hamBtn);
    min-height: var(--size-hamBtn);
    max-height: var(--size-hamBtn);
    border-radius: 50%;
    border: 1px solid #f9d8ae;
    z-index: var(--layer-modal-btn);
    background-color: #333230;
}

button[data-ui="hamburgerBtn"]:before {
    content: "MENU";
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    color: #333230;
    font-size: 96%;
    -webkit-text-stroke: 0.5px #fff;
    text-stroke: 0.5px #fff;
}

button[data-ui="hamburgerBtn"]:hover,
button[data-ui="hamburgerBtn"]:focus {
    box-shadow: 0 0 .5rem rgba(255, 255, 255, .5);
}

.lines,
.lines::before,
.lines::after {
    position: absolute;
    width: calc(var(--size-hamBtn) / 2);
    height: 2px;
    background-color: #f9d8ae;
    content: '';
}

.lines {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.lines::before,
.lines::after {
    left: 50%;
    transform: translateX(-50%);
}

.lines::before {
    top: -5px;
}

.lines::after {
    top: 5px;
}

button[data-ui="hamburgerBtn"][aria-expanded="true"] .lines {
    background-color: transparent;
}

button[data-ui="hamburgerBtn"][aria-expanded="true"] .lines::before,
button[data-ui="hamburgerBtn"][aria-expanded="true"] .lines::after {
    top: 0;
    left: 0;
}

button[data-ui="hamburgerBtn"][aria-expanded="true"] .lines::before {
    transform: rotate(45deg);
}

button[data-ui="hamburgerBtn"][aria-expanded="true"] .lines::after {
    transform: rotate(-45deg);
}