*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:#333;line-height:1.42857143}a{color:#337ab7;text-decoration:none}.instant-wrap{width:min(1170px,calc(100% - 30px));margin:0 auto}.border-box{border:1px solid #ddd;border-radius:4px;padding:20px;background:#fff}.form-control{display:block;width:100%;height:34px;padding:6px 12px;font-size:14px;color:#555;background:#fff;border:1px solid #ccc;border-radius:4px;box-shadow:inset 0 1px 1px rgba(0,0,0,.075)}.btn{display:inline-block;padding:6px 12px;font-size:14px;cursor:pointer;border:1px solid transparent;border-radius:4px}.btn-primary{color:#fff;background:#428bca;border-color:#357ebd}.btn-primary:hover{background:#3276b1;border-color:#285e8e}h1{font-size:36px}h2{font-size:30px}h3{font-size:20px}