【删除】移除多余的初始化样式

src/index.scss

-/**
- 初始化CSS样式
- */
-body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; }
-body, button, input, select, textarea { font:12px/1.5tahoma, arial, \5b8b\4f53; }
-h1, h2, h3, h4, h5, h6{ font-size:100%; }
-address, cite, dfn, em, var { font-style:normal; }
-code, kbd, pre, samp { font-family:couriernew, courier, monospace; }
-small{ font-size:12px; }
-ul, ol { list-style:none; }
-a { text-decoration:none!important; }
-a:hover { text-decoration:underline; }
-sup { vertical-align:text-top; }
-sub{ vertical-align:text-bottom; }
-legend { color:#000; }
-fieldset, img { border:0; }
-button, input, select, textarea { font-size:100%; }
-table { border-collapse:collapse; border-spacing:0; }
-* {
-    box-sizing: border-box;
-}
-
 img {
     content: normal !important;
 }