.content{
    width: 90%;
    height: 90%;
    margin:30px auto
}
.color_red{
    color:red
}
.bianhao{

}
h2{
    text-align: center
}
p{
    font-size: 17px
}
.layui-form-label{
    width:45px
}
.layui-input-block{
    margin-left: 80px;
}
.layui-container {
    padding: 0 5px;
}