.other_188_img{
    position: relative;
}
.other_188_img .other_188_con{
    position: absolute;
    display: block;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    text-align: center;
}

.other_188_con a{
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    white-space: nowrap;
    background: #323232;
    transition: all .5s;
}
@media(min-width: 767px) {
    .other_188_con .index_title{
        white-space: nowrap;
    }
}
@media(max-width: 767px) {
    .other_188_con{
        width: 100%;
        padding: 0 15px;
        text-align: center;
    }
}