.overview-content .c20 .a{background-image: url(a.jpg);}
.overview-content .c20 .c{background-image: url(c.jpg);}
.overview-content .c20 .f ul li{font-size:14px;}
.overview-content .c20 .e p{width:560px;}
@media screen and (max-width:736px){
.overview-content .c20 .a{background-image: url(../mobile/a.jpg);}
.overview-content .c20 .c{background-image: url(../mobile/c.jpg);}
.overview-content .c20 .e p{width:auto;}
}