diff --git a/src/color/index.js b/src/color/index.js
index fbbeb79..e1506d1 100644
--- a/src/color/index.js
+++ b/src/color/index.js
@@ -241,7 +241,6 @@ class Color extends Component {
             position: absolute;
             left: 0;
             top: 0;
-            z-index: 0;
             width: 100%;
             height: 100%;
             content: '';
@@ -256,7 +255,6 @@ class Color extends Component {
 
           .thumb {
             position: absolute;
-            z-index: 1;
             width: 0;
             height: 0;
 
@@ -293,7 +291,6 @@ class Color extends Component {
             position: absolute;
             left: 0;
             top: 0;
-            z-index: 0;
             width: 12px;
             height: 0;
 
@@ -310,7 +307,6 @@ class Color extends Component {
           }
           .hue {
             position: relative;
-            z-index: 1;
             display: block;
             width: 12px;
             height: 180px;
@@ -330,7 +326,6 @@ class Color extends Component {
           position: absolute;
           left: 0;
           top: 0;
-          z-index: 0;
           width: 100%;
           height: 12px;
           background: linear-gradient(to right, transparent, #f00);
@@ -340,7 +335,6 @@ class Color extends Component {
           position: absolute;
           left: 100%;
           top: 0;
-          z-index: 0;
           width: 0;
           height: 12px;
 
@@ -358,7 +352,6 @@ class Color extends Component {
 
         .alpha {
           position: relative;
-          z-index: 1;
           display: block;
           width: 100%;
           height: 12px;