调整顺序

@@ -3,12 +3,12 @@
 <h2>color</h2>
 统一色号(css 中使用统一变量)<br>
 
-黑色: <span class="example color black"></span> $black;<br>
-白色: <span class="example color white"></span> $white;<br>
-红色: <span class="example color red"></span> $red;<br>
-绿色: <span class="example color green"></span> $green;<br>
-灰色: <span class="example color grey"></span> $grey;<br>
-蓝色: <span class="example color blue"></span> $blue;<br>
+黑色: $black; <span class="example color black"></span><br>
+白色: $white; <span class="example color white"></span><br>
+红色: $red; <span class="example color red"></span><br>
+绿色: $green; <span class="example color green"></span><br>
+灰色: $grey; <span class="example color grey"></span><br>
+蓝色: $blue; <span class="example color blue"></span><br>
 
 <h2>icon</h2>
 iconfont 新建项目，使用 class 控制图标样式，不要用 unicode<br>