<p>.sui-loading</p>
<div class="sui-loading loading-inline"><i class="sui-icon icon-pc-loading"></i></div>
<div class="sui-loading loading-dark loading-inline"><i class="sui-icon icon-pc-loading"></i></div>
<div class="sui-loading loading-light loading-inline"><i class="sui-icon icon-pc-loading"></i></div>
<hr>
<p>loading-large, loading-xlarge, loading-xxlarge</p>
<div class="sui-loading loading-large"><i class="sui-icon icon-pc-loading"></i></div>
<div class="sui-loading loading-xlarge"><i class="sui-icon icon-pc-loading"></i></div>
<div class="sui-loading loading-xxlarge"><i class="sui-icon icon-pc-loading"></i></div>
<hr>
<p>loading-small, loading-xsmall, loading-xxsmall</p>
<div class="sui-loading loading-small loading-inline"><i class="sui-icon icon-pc-loading"></i></div>
<div class="sui-loading loading-xsmall loading-inline"><i class="sui-icon icon-pc-loading"></i></div>
<div class="sui-loading loading-xxsmall loading-inline"><i class="sui-icon icon-pc-loading"></i></div>
<hr>
<p>loading-dark, .loading-light</p>
<hr>
<input style="vertical-align:top">
<div class="sui-loading loading-xxsmall loading-inline loading-light"><i class="sui-icon icon-pc-loading"></i></div>

很简单，可以自己定制尺寸

为方便使用，默认有几种推荐的尺寸,分别对应class: loading-small,loading-xsmall,loading-xxsmall, loading-l, loading-ll, loading-lll

默认作为块级盒子显示，.sui-loading.loading-inline 则会以内联盒子形式显示 （inline-block）

颜色方面有默认色、黑色、灰色三种, .sui-loading.loading-dark .loading-light