/* start reset & function */ body { font-size: 13px; margin: 0; color: #000; overflow: hidden; background-color: #F0F0F0; font-family: Helvetica, 'Microsoft Yahei'; } ul { padding: 0; margin: 0; list-style: none; } * { box-sizing: border-box; } input, button { font-family: Helvetica, 'Microsoft Yahei'; } .fn-left { float: left; } .fn-right { float: right; } .fn-clear:before, .fn-clear:after { display: table; content: ""; } .fn-clear:after { clear: both; } .fn-none { display: none; } /* end reset & function */