diff --git a/index.html b/index.html
index 594cf92..abec1b7 100644
--- a/index.html
+++ b/index.html
@@ -98,7 +98,6 @@
 									</div>
 									<div class="operation">
 										<div class="row">
-											<p>快速选择：</p>
 											<p>
 												<span>
 													<button class="btn btn-small" data-value="爸爸">父</button>
@@ -123,9 +122,9 @@
 											</p>
 										</div>
 										<div class="row">
-											<button class="btn btn-orange">回退</button>
-											<button class="btn btn-red">清空</button>
-											<button class="btn btn-green">计算</button>
+											<button class="btn btn-3  btn-orange">回退</button>
+											<button class="btn btn-3  btn-red">清空</button>
+											<button class="btn btn-3 btn-green">计算</button>
 										</div>
 									</div>
 									<div class="row">
diff --git a/style/index.css b/style/index.css
index faad8d9..44aa239 100644
--- a/style/index.css
+++ b/style/index.css
@@ -6,7 +6,7 @@ body{
     height: 100%;
     font-size: 14px;
     font-family: Arial,Helvetica,"Microsoft Yahei";
-    color:#757575;
+    color: rgb(110, 119, 129);
 }
 button, input {
     font-family: Arial,Helvetica,"Microsoft Yahei";
@@ -16,7 +16,7 @@ img{
 }
 a{
     text-decoration: none;
-    color: #757575;
+    color: rgb(110, 119, 129);
 }
 a:hover{
     text-decoration: underline;
@@ -34,7 +34,7 @@ a:hover{
 }
 
 .mod-head .hd,.mod-head .bd{
-    max-width: 540px;
+    max-width: 500px;
     padding: 0 10px;
 	margin:0 auto;
 }
@@ -55,39 +55,54 @@ a:hover{
     border-bottom-right-radius: 6px;
 }
 .mod-head .bd{
-    padding: 10px;
-    line-height: 30px;
+    height: 36px;
+    padding: 10px 10px 0;
+    margin-bottom: 5px;
     text-align: right;
 }
 .mod-head .btn{
     position: relative;
     display: inline-block;
-    min-width: 80px;
-    height: 30px;
+    min-width: 56px;
+    height: 34px;
+    background: #fff;
     padding: 0 12px;
-    border: medium none;
-    background: #eee;
-    line-height: 30px;
-    text-align: center;
-    font-family: Tahoma,Arial, Helvetica,"Microsoft YaHei";
-    font-size: 15px;
-    color: #333;
-    cursor: pointer;
+    border: 1px solid #ececec;
+    border-radius: 6px;
+    line-height: 32px;
     text-decoration: none;
-    border-radius: 3px;
-    box-sizing: border-box;
+    text-align: center;
+    font-size: 14px;
+    color: #333;
+    overflow: hidden;
+    transition: color .2s,opacity .2s;
+    font-family: Tahoma,Arial, Helvetica,"Microsoft YaHei";
     outline: none;
     -webkit-appearance: none;
 }
-.mod-head .btn:hover{
-    background: #e4e4e4;
+.mod-head .btn:after {
+    content: " ";
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: #000;
+    left: 0;
+    top: 0;
+    opacity: 0;
+    transition: opacity .2s;
+    border-radius: 6px;
+    overflow: hidden;
+    pointer-events: none;
 }
-.mod-head .btn-blue{
-    background: #2095f2;
-    color: #fff;
+.mod-head .btn span,.mod-head .btn svg{
+    vertical-align: middle;
 }
-.mod-head .btn-blue:hover {
-    background: #207fcc;
+.mod-head .btn:hover {
+    color: #000;
+    opacity: 1;
+}
+.mod-head .btn:hover:after {
+    opacity: .02;
 }
 
 .mod-panel {
@@ -95,9 +110,8 @@ a:hover{
 }
 .mod-panel h1{
 	line-height: 32px;
-    font-weight: 500;
-    font-size: 22px;
-    color:#333;
+	font-size: 22px;
+	color:#212121;
 }
 .mod-panel h2{
     line-height: 30px;
@@ -106,13 +120,14 @@ a:hover{
     font-size: 18px;
 }
 .mod-panel .hd,.mod-panel .bd{
-    max-width: 540px;
+    max-width: 500px;
 	margin:0 auto;
 }
 .mod-panel .hd{
 	padding: 10px 0;
+    margin-bottom: 5px;
 	line-height: 22px;
-	text-align: center;
+	text-align: left;
 }
 .mod-panel .hd b{
 	margin: 0 3px;
@@ -121,7 +136,7 @@ a:hover{
 .mod-panel .bd .c-hd{
 	height: 36px;
 	margin-bottom: 10px;
-	border-bottom: 1px solid #e2e2e2;
+	border-bottom: 1px solid #f0f0f0;
 }
 .mod-panel .bd .c-hd li{
 	float: left;
@@ -179,8 +194,8 @@ a:hover{
 	display: inline-block;
     width: 100%;
     height: 30px;
-    background: #fafafa;
-    border: 1px solid #e8e8e8;
+    background: #f6f6f6;
+    border: 1px solid #ebebeb;
     padding: 5px 10px;
 	box-sizing: border-box;
     line-height: 20px;
@@ -193,7 +208,7 @@ a:hover{
 .mod-panel .bd .btn {
     height: 32px;
     min-width: 90px;
-    background: #eeeeee;
+    background: #f0f0f0;
     border: medium none;
     line-height: 30px;
     vertical-align: middle;
@@ -240,8 +255,8 @@ a:hover{
 	width: 100%;
 	height: 120px;
 	padding:5px 10px;
-	background: #fafafa;
-	border: 1px solid #e9e9e9;
+	background: #f6f6f6;
+	border: 1px solid #ebebeb;
 	box-sizing: border-box;
 	border-radius: 5px;
 	resize: none;
@@ -284,29 +299,28 @@ a:hover{
     color: #fd7474;
 }
 .mod-panel .intro,.mod-panel .article{
-    padding:  10px 20px;
+    padding: 15px 20px;
     margin: 10px 0;
-    background: rgb(246, 248, 250);
+    background: #f6f6f6;
     border-radius: 6px;
-    color: rgb(110, 119, 129);
 }
 .mod-panel .intro h3{
     margin-bottom: 10px;
     font-size: 16px;
     font-weight: bold;
-    color: rgba(36, 41, 47, 0.8);
+    color: #646464;
 }
 .mod-panel .intro p{
     line-height: 22px;
 }
-.mod-panel .article p{
-    line-height: 22px;
-    text-indent: 2em;
-}
 .mod-panel .intro p.q{
     margin-top: 10px;
     font-weight: bold;
-    color: rgba(36, 41, 47, 0.8);
+    color: #646464;
+}
+.mod-panel .article p{
+    line-height: 22px;
+    text-indent: 2em;
 }
 .mod-panel .table-inner{
     overflow-x: auto;
@@ -411,6 +425,9 @@ a:hover{
         margin-bottom: 5px;
         line-height: 24px;
     }
+    .mod-panel .btn-3{
+        width: 32%;
+    }
 
     .mod-qrcode{
         position: static;