Merge pull request #1901 from weseek/imprv/change-theme-color

change theme colors

src/client/styles/scss/_override-bootstrap-variables.scss

@@ -4,14 +4,14 @@
 
 //== Colors
 //
-$primary: #112744;
-$secondary: #6c757d;
-$info: #009fbb;
-$success: #00bb83;
-$warning: #ffa32b;
-$danger: #ff0a54;
-$light: #dee2e6;
-$dark: #343a40;
+$primary: $growi-blue !default;
+$secondary: #6c757d !default;
+$info: #009fbb !default;
+$success: #00bb83 !default;
+$warning: #ffa32b !default;
+$danger: #ff0a54 !default;
+$light: #e4e7ea !default;
+$dark: #3e4d6c !default;
 
 //== Typography
 //