.question-guide {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 56;
    padding-top: 2.4rem;
    background: url("../../images/guide1.png") .55rem top/1.5rem .8rem no-repeat,
                url("../../images/guide2.png") center .28rem/ 1.2rem 1.32rem no-repeat,
                url("../../images/guide3.png") 4.15rem top/1.5rem .8rem no-repeat;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    font-size: .28rem;
    text-align: center;
    color: #fff;
}

.question-guide button {
    width: 6.2rem;
    height: .86rem;
    border-radius: .43rem;
    margin-top: 1.05rem;
    background-color: #fff;
    font-family: inherit;
    font-weight: normal;
    font-size: .28rem;
    color: #282828;
}

.mask {
    background-color: rgba(0, 0, 0, .6);
}