.mymain{
width:1110px;overflow:hidden;margin: 10px auto;border:1px solid #000066;border-radius: 5px;padding-bottom:10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
	background-color:rgba(96, 204, 226, 0.59);/*background-color:#00CCFF;*/
}
.myleft_side{
width:160px;background-color:#FFFFFF;overflow:hidden;margin: 10px;border:1px solid #000066;border-radius: 5px;float:left;text-align:left;
}
.mymid{
width:728px;background-color:#FFFFFF;overflow:hidden;margin:0 auto;margin-top: 10px;border:1px solid #000066;border-radius: 5px;float:left;text-align:left;
}
.myright_side{
width:160px;background-color:#FFFFFF;overflow:hidden;margin: 10px;border:1px solid #000066;border-radius: 5px;float:left;text-align:left;
}
/*.art_postx {
    padding: 13px;
	color: #18343A;border:1px solid #18343A;
	border-radius: 5px;
	
	overflow:hidden;
	width:1110px;background-color:#CCCCCC;margin:0 auto;margin-top:10px;
}
@media screen and (max-width: 739px) and (min-width: 0px) {
	.art_postx{max-width: 100%;}
}*/
@media screen and (max-width: 1090px) and (min-width: 0px) {
	.mymain{max-width: 100%;}
}
@media screen and (max-width: 1090px) and (min-width: 926px) {
	.myright_side{display:none;}
}
@media screen and (max-width: 925px) and (min-width: 0px) {
	.myleft_side{display:none;}
	.myright_side{display:none;}
}
/*@media screen and (max-width: 1090px) and (min-width: 728px) {
	.art_postx{max-width: 100%;}
}
@media screen and (max-width: 728px) and (min-width: 0px) {
	.art_postx{max-width: 728px;}
}
*/