.csssprite{ background:url("csssprite.png") top left no-repeat; }
.home{ width:80px; height:180px; background-position:-10px -10px; }
.exit{ width:200px; height:180px; background-position:-10px -200px; }
.trans{ width:200px; height:180px; background-position:-10px -390px; }
.tsuredure{ width:200px; height:180px; background-position:-10px -580px; }
.saku{ width:200px; height:180px; background-position:-10px -770px; }
.machida{ width:200px; height:180px; background-position:-10px -960px; }