diff --git a/source/src/devtools/global.less b/source/src/devtools/global.less
new file mode 100644
index 0000000..2118918
--- /dev/null
+++ b/source/src/devtools/global.less
@@ -0,0 +1,13 @@
+.el-color-picker--mini {
+  width: 100% !important;
+
+  .el-color-picker__trigger {
+    width: 100% !important;
+    height: 30px !important;
+    padding: 0;
+
+    .el-color-picker__icon {
+      display: none;
+    }
+  }
+}