fieldset, img { border: 0; vertical-align: top; }
body, button, input, select, textarea { font: 12px/1.5 Microsoft YaHei, Arial, sans-serif; }
.wrap { width: 1200px; margin: 0 auto;}
a { outline: none; transition-duration: 0.3s, 0.3s; transition-property: background-color, color; transition-timing-function: ease, ease;}