.rows-qa {width:100%;float:left;position:relative;font-size:1.5em;margin-bottom:5px;}
.q {color:#fff;width:100%;float:left;min-height:50px;padding:18px 50px 15px 50px;box-sizing:border-box;background:#556b2f url(../img/qa/q.png) top left no-repeat;}

.a {width:100%;float:left;line-height:30px;}
.a p {width:100%; padding:20px 20px 20px 50px;box-sizing:border-box;}
.btn {width:30px;height:30px;float:right;position:absolute;top:10px;right:10px;cursor:pointer;}