Improve style of Board component

app/javascript/components/Board/NewPost.tsx

@@ -135,7 +135,7 @@ class NewPost extends React.Component<Props, State> {
           isLoggedIn ?
             <button
               onClick={this.toggleForm}
-              className="submitBtn btn btn-dark">
+              className={`submitBtn btn btn-${showForm ? 'outline-' : ''}dark`}>
               { showForm ? 'Cancel' : 'Submit feedback' }
             </button>
           :

app/javascript/components/Board/PostListItem.tsx

@@ -23,7 +23,7 @@ const PostListItem = ({ title, description, postStatus}: Props) => (
           <span className="comment icon"></span>
           <span>0 comments</span>
         </div>
-        <div className="postDetailsStatus" style={{color: postStatus.color}}>
+        <div className="postDetailsStatus">
           <div className="dot" style={{backgroundColor: postStatus.color}}></div>
           <span className="postStatusName">{postStatus.name}</span>
         </div>

app/javascript/components/Board/PostStatusListItem.tsx

@@ -20,7 +20,7 @@ const PostStatusListItem = ({
     <a onClick={handleClick} className="postStatusListItemLink">
       <div className="postStatusListItem">
         <div className="dot" style={{backgroundColor: color}}></div>
-        <span className="postStatusName" style={{color: color}}>{name}</span>
+        <span className="postStatusName">{name}</span>
       </div>
     </a>
     {