Use border color variables for input

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/stylesheets/framework/tw_bootstrap_variables.scss

@@ -56,8 +56,8 @@ $component-active-bg:       $brand-info;
 //##
 
 $input-color:                    $text-color;
-$input-border:                   #e7e9ed;
-$input-border-focus:             #7f8fa4;
+$input-border:                   $border-color;
+$input-border-focus:             $focus-border-color;
 $legend-color:                   $text-color;
 
 

app/assets/stylesheets/framework/variables.scss

@@ -11,6 +11,7 @@ $gutter_inner_width: 258px;
  * UI elements
  */
 $border-color:       #efeff1;
+$focus-border-color: #3aabf0;
 $table-border-color: #eef0f2;
 $background-color:   #faf9f9;
 
@@ -179,7 +180,7 @@ $dropdown-divider-color: rgba(#000, .1);
 $dropdown-header-color: #959494;
 $dropdown-title-btn-color: #bfbfbf;
 $dropdown-input-color: #555;
-$dropdown-input-focus-border: rgb(58, 171, 240);
+$dropdown-input-focus-border: $focus-border-color;
 $dropdown-input-focus-shadow: rgba($dropdown-input-focus-border, .4);
 $dropdown-loading-bg: rgba(#fff, .6);