.mode-buttons {
    position: absolute;
    inset-block-start: 90px;
    inset-inline-start: 20px;
    cursor: pointer;
    border: 1px solid #aaa;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0px 0px 8px 0px rgba(0,0,0,0.3);
    z-index: 1;
}

    .mode-buttons .mode-button:first-child {
        border-start-start-radius: 6px;
        border-start-end-radius: 6px;
    }

    .mode-buttons .mode-button:last-child {
        border-end-end-radius: 6px;
        border-end-start-radius: 6px;
    }

.mode-button {
    background-position: center;
    background-repeat: no-repeat;
    width: 30px;
    height: 30px;
}

    .mode-button:hover {
        background-color: #eee;
    }

.selected-mode, .selected-mode:hover {
    background-color: #ddd;
}

.menu-btn ~ .mode-buttons {
    inset-block-start: 130px;
}