diff --git a/App.vue b/App.vue
index 4aa4695..4742415 100644
--- a/App.vue
+++ b/App.vue
@@ -54,12 +54,12 @@
 	.r {
 		float: right;
 	}
-	
-	.pr{
+
+	.pr {
 		position: relative;
 	}
-	
-	.pa{
+
+	.pa {
 		position: absolute;
 	}
 
@@ -70,18 +70,21 @@
 	.fr {
 		text-align: right;
 	}
-	
+
 	.animation {
-	  transition: all 0.2s ease;
+		transition: all 0.2s ease;
 	}
+
 	//占位 空符
 	.extra-space {
 		height: 156rpx;
 	}
+
 	//占位 空符
 	.extra-space1 {
 		height: 400rpx;
 	}
+
 	//占位 空符
 	.extra-space2 {
 		height: 200rpx;
@@ -91,12 +94,13 @@
 		weight: 40rpx;
 		height: 40rpx;
 	}
+
 	//按钮
 	.numberBut {
 		width: 130rpx;
 		height: 48rpx;
 	}
-	
+
 	.nullBut {
 		width: 159rpx;
 		height: 48rpx;
@@ -126,6 +130,10 @@
 		background-color: #888;
 	}
 
+	.bg-mb {
+		background-color: $uni-text-color-disable;
+	}
+
 	.bg-b {
 		background-color: #383838;
 	}
@@ -299,7 +307,8 @@
 	.fb {
 		font-weight: bold;
 	}
-	.fn{
+
+	.fn {
 		font-weight: normal;
 	}
 
@@ -311,6 +320,10 @@
 		line-height: 1.2em;
 	}
 
+	.fz20 {
+		font-size: 20rpx;
+	}
+
 	.fz24 {
 		font-size: 24rpx;
 	}