Style fixes for feedback options

client/views/Exam.jsx

@@ -344,7 +344,7 @@ class Exams extends React.Component {
                     }} />
                 </div>
                 <br/>
-                <label className='label'>Feedback options</label>
+                {!this.state.editActive && <label className='label'>Feedback options</label>}
               </React.Fragment>
             )}
           </div>

client/views/grade/EditPanel.jsx

@@ -108,7 +108,7 @@ class EditPanel extends React.Component {
   render () {
     return (
       <React.Fragment>
-        <p className='panel-heading'>
+        <p className={this.props.grading ? 'panel-heading' : 'panel-heading is-radiusless'}>
           Manage feedback
         </p>
 

client/views/grade/FeedbackBlock.jsx

@@ -32,7 +32,9 @@ class FeedbackBlock extends React.Component {
   render () {
     const shortcut = (this.props.index < 11 ? '' : 'shift + ') + this.props.index % 10
     return (
-      <a className='panel-block' onClick={this.props.grading ? this.toggle : this.props.editFeedback}
+      <a
+        className={this.props.grading ? 'panel-block is-active' : 'panel-block'}
+        onClick={this.props.grading ? this.toggle : this.props.editFeedback}
         style={this.props.selected ? {backgroundColor: '#209cee'} : {}}
       >
         <span