.closestyle1084640{ font-size:12px;color:#333333;text-decoration: none ;}

.gser-title1 {
    height: 36px;
    background:url(images/21/mtjj.png)no-repeat center center;}

@media screen and (max-width: 639px) {
    .gser-title1 {
        height: 36px;
        background:url(images/21/mtjj.png)no-repeat center center;
        background-size: 140px auto;}
}