.btn{border-radius:5px;}.btn{}#wrapper #main{}h1{margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}h2{margin-top:20px;margin-left:20px;}h3{}h4{margin-top:20px;margin-bottom:20px;}h5{margin-top:40px;margin-bottom:40px;}h6{margin-top:20px;margin-bottom:20px;}