main{position:relative;max-width:1200px;margin:0 auto;padding:0 15px;}@media all and (max-width:1280px){main{margin:0 64px;}}@media all and (max-width:1200px){main{width:970px;margin:0 auto;}}@media all and (max-width:980px){main{width:750px;margin:0 auto;}}@media all and (max-width:768px){main{width:auto;margin:0 24px;padding:0;}}