/**********

 * reset

 *********/

* {box-sizing: border-box; -webkit-tap-highlight-color: rgba(0,0,0,0);}

body,

dl, dt, dd, ul, ol, li,

h1, h2, h3, h4, h5, h6,

pre, code, form, fieldset, legend, input, textarea,

p, blockquote, th, td, hr, button,

article, aside, details, figcaption, figure, footer, header, menu, nav, section {

  margin: 0;

  padding: 0;

  border: 0;

}

/* 默认不要下划线 */

a {text-decoration: none;}

/* 按钮文本不可选 */

button {user-select: none;}

img {vertical-align: middle;}

/* 加载不出来的图片不要显示灰色边框 */

img:not([src]),img[src=""] {opacity: 0;}

ul, ol {list-style: none;}

table {border-collapse: collapse; border-spacing: 0;}

input, select, button, textarea {font-size: 100%; font: inherit;}

html, body {height: 100%; overflow-x: hidden;}