Correct header level within terminal color scheme field.
In typical usage of the color scheme field, the "Details" header will
be fourth level, not third. Form section headers will be third.
</div>
<!-- Show/hide details -->
- <h3 class="custom-color-scheme-details-header" ng-show="isCustom()">
+ <h4 class="custom-color-scheme-details-header" ng-show="isCustom()">
{{'COLOR_SCHEME.SECTION_HEADER_DETAILS' | translate}}
<a class="custom-color-scheme-show-details" ng-click="showDetails()">{{'COLOR_SCHEME.ACTION_SHOW_DETAILS' | translate}}</a>
<a class="custom-color-scheme-hide-details" ng-click="hideDetails()">{{'COLOR_SCHEME.ACTION_HIDE_DETAILS' | translate}}</a>
- </h3>
+ </h4>
<!-- Custom color scheme details (internal representation -->
<textarea class="custom-color-scheme-details" spellcheck="false"
