媒体查询

在style中直接引用下面代码

@media screen and (max-321px){
.quiz_content{
margin-bottom:.3rem;
}
.popinfo .info-box{
112px;
}
.popinfo{
124px;
}
.rater-click-tips{
display:none;
}
.goods-comm-stars{
padding-left:43px;
}
}
@media screen and (min-321px) and (max-400px){
}
@media screen and (min-400px){
}