.ui-close-btn {

    position: absolute;

    top: 10px;
    right: 15px;

    font-size: 30px;
    font-weight: bold;

    color: #666;

    cursor: pointer;

    line-height: 1;

    user-select: none;

    transition: 0.2s;
}


.ui-close-btn:hover {
    color: red;
    transform: scale(1.15);
}