shopping cart style

@@ -8,7 +8,7 @@
 
     .main {
         position: absolute;
-        height: 718rem / $pxConvertRem;
+        height: 610rem / $pxConvertRem;
         bottom: 0;
         left: 0;
         right: 0;
@@ -16,8 +16,14 @@
     }
 
     .infos {
-        height: 546rem / $pxConvertRem;
-        padding: 30rem / $pxConvertRem 22rem / $pxConvertRem 20rem / $pxConvertRem;
+        height: 460rem / $pxConvertRem;
+        padding: 0 22rem / $pxConvertRem;
+        padding-top: 30rem / $pxConvertRem;
+    }
+
+    .chose-items {
+        height: 325rem / $pxConvertRem;
+        overflow: auto;
     }
 
     .basic-info {
@@ -83,6 +89,10 @@
         }
     }
 
+    .num {
+        margin-bottom: 20rem / $pxConvertRem;
+    }
+
     .num .btn {
         float: left;
         display: block;
@@ -110,10 +120,11 @@
     }
 
     .btn-wrap {
-        height: 80rem / $pxConvertRem;
+        height: 120rem / $pxConvertRem;
         border-top: 1px solid #e6e6e6;
-        padding: 21rem / $pxConvertRem;
+        padding: 20rem / $pxConvertRem;
         text-align: center;
+        box-sizing: border-box;
 
         .btn-sure {
             width: 260rem / $pxConvertRem;

@@ -13,6 +13,7 @@
                     </p>
                 </div>
             </div>
+            <div class="chose-items">
                 <div class="color-list">
                     <span>颜色</span>
                     <ul class="clearfix" data-type="color">
@@ -46,6 +47,7 @@
                     </div>
                 </div>
             </div>
+        </div>
         <div class="btn-wrap">
             <button id="chose-btn-sure" class="btn btn-sure">确定</button>
         </div>