.cpnt_introduce_video2.cpnt1_1 .vimeoWrap {
    background: url(/front/assets/common/images/introduce/about-v1.jpg) no-repeat center center / cover;
}

.cpnt_introduce_video2.cpnt1_2 .vimeoWrap {
    background: url(/front/assets/common/images/introduce/about-v2.jpg) no-repeat center center / cover;
}

.cpnt_introduce_video2.cpnt1_3 .vimeoWrap {
    background: url(/front/assets/common/images/introduce/about-v3.jpg) no-repeat center center / cover;
}