#s7c{width:100%;text-align:center}#s7c .container{width:750px;min-width:750px;margin:0 auto;overflow:hidden}#s7c .container .block{display:block;font-size:0;position:relative}#s7c .container .block img.bg{width:100%}#s7c .container .block .btn{position:absolute;z-index:1}#s7c .container .block .btn img{width:100%}#s7c .container .block.assista .btn{width:79px;top:121px;left:325px}#s7c .container .block.assista2 .btn{width:79px;top:575px;left:325px}@media (min-width:990px){#s7c .container{width:990px}#s7c .container .block.assista .btn{width:104px;top:160px;left:430px}#s7c .container .block.assista2 .btn{width:104px;top:759px;left:430px}}@media (min-width:1200px){#s7c .container{width:1200px}#s7c .container .block.assista .btn{width:127px;top:197px;left:529px}#s7c .container .block.assista2 .btn{width:127px;top:920px;left:529px}}