.tip-box {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 998;
    transform: translate(-50%, -50%);
    display: table;
    max-width: 90%;
    min-height: 100px;
    border-radius: 8px;
    text-align: center;
    font-size: 28px;
    color: #fff;
    background-color: rgba(0, 0, 0, 0.7);
    padding: 10px 20px;

    .tip {
        display: table-cell;
        vertical-align: middle;
    }
}