Merge pull request #2972 from weseek/imprv/add-color-recently-created-icon

add fill in svg

src/client/styles/scss/theme/_reboot-bootstrap-theme-colors.scss

@@ -1,5 +1,64 @@
 $theme-colors: map-merge($theme-colors, $colors);
 
+@mixin button-svg-icon-variant($background, $hover-background: darken($background, 7.5%), $active-background: darken($background, 10%)) {
+  svg {
+    fill: color-yiq($background);
+  }
+
+  @include hover() {
+    svg {
+      fill: color-yiq($hover-background);
+    }
+  }
+
+  &:focus,
+  &.focus {
+    svg {
+      fill: color-yiq($hover-background);
+    }
+  }
+
+  // Disabled comes first so active can properly restyle
+  &.disabled,
+  &:disabled {
+    svg {
+      color: color-yiq($background);
+    }
+  }
+
+  &:not(:disabled):not(.disabled):active,
+  &:not(:disabled):not(.disabled).active,
+  .show > &.dropdown-toggle {
+    svg {
+      color: color-yiq($active-background);
+    }
+  }
+}
+
+@mixin button-outline-svg-icon-variant($value, $color-hover: $value) {
+  svg {
+    fill: $value;
+  }
+  @include hover() {
+    svg {
+      fill: $value;
+    }
+  }
+  &.disabled,
+  &:disabled {
+    svg {
+      fill: $value;
+    }
+  }
+  &:not(:disabled):not(.disabled):active,
+  &:not(:disabled):not(.disabled).active,
+  .show > &.dropdown-toggle {
+    svg {
+      fill: $value;
+    }
+  }
+}
+
 @each $color, $value in $theme-colors {
   @include bg-variant('.bg-#{$color}', $value);
 }
@@ -17,11 +76,14 @@ $theme-colors: map-merge($theme-colors, $colors);
 @each $color, $value in $theme-colors {
   .btn-#{$color} {
     @include button-variant($value, $value);
+    @include button-svg-icon-variant($value, $value);
   }
 }
+
 @each $color, $value in $theme-colors {
   .btn-outline-#{$color} {
     @include button-outline-variant($value, $color-hover: $value, $active-background: rgba($value, 0.1), $active-border: $value);
+    @include button-outline-svg-icon-variant($value, $color-hover: $value);
     &:not(:disabled):not(.disabled):active,
     &:not(:disabled):not(.disabled).active,
     .show > &.dropdown-toggle {