增加多图传图片盒子 help-images

app/admin/view/config/system.html

@@ -32,7 +32,7 @@
 
         <div class="layui-form-item margin-bottom-5">
             <div class="help-label"><b>登录背景图片</b>Background Image</div>
-            <div class="layui-textarea think-bg-gray" style="min-height:unset;padding:10px 10px 3px 10px">
+            <div class="layui-textarea help-images">
                 <input type="hidden" value="{:sysconf('login_image')}" name="login_image">
                 <script>$('[name=login_image]').uploadMultipleImage();</script>
             </div>

public/static/theme/css/_display.less

@@ -143,15 +143,38 @@ fieldset {
 .layui-select {
   line-height: 38px;
   border-color: @InputBorderNormalColor;
-  appearance: revert;
-  -moz-appearance: revert;
-  -webkit-appearance: revert;
 
   &:hover, &:active, &:focus {
     border-color: @InputBorderActiveColor;
   }
 }
 
+.layui-select {
+  appearance: revert;
+  -moz-appearance: revert;
+  -webkit-appearance: revert;
+}
+
+div.layui-textarea.help-images {
+  min-height: unset;
+  color: #333;
+  padding: 12px 0 1px 12px;
+  background: linear-gradient(-113deg, #EEEEEE, #EEEEEE) !important;
+
+  &:after {
+    clear: both;
+    content: '';
+    display: block;
+  }
+
+  > * {
+    float: left;
+    width: 78px;
+    height: 78px;
+    margin: 0 10px 10px 0;
+  }
+}
+
 .layui-disabled,
 .layui-disabled:hover {
   color: #333 !important;