fix: various modal fixes

src/components/modals/main/scss/settings/_main.scss

@@ -180,7 +180,7 @@ legend {
   }
 }
 
-.tab-content {
+.changelogtab {
   h1 {
     max-width: 85%;
   }

src/components/modals/main/settings/sections/About.jsx

@@ -36,8 +36,8 @@ export default class About extends React.PureComponent {
       }
 
       return this.setState({
-        update: 'Failed to get update information',
-        loading: 'An error occurred'
+        update: this.language.version.error.title,
+        loading: this.language.version.error.description
       });
     }
 
@@ -66,7 +66,8 @@ export default class About extends React.PureComponent {
   componentDidMount() {
     if (navigator.onLine === false || localStorage.getItem('offlineMode') === 'true') {
       this.setState({
-        update: this.language.version.offline_mode
+        update: this.language.version.offline_mode,
+        loading: window.language.modals.update.offline.title
       });
       return;
     }

src/components/modals/main/settings/sections/Changelog.jsx

@@ -98,7 +98,7 @@ export default class Changelog extends React.PureComponent {
     }
 
     return (
-      <>
+      <div className='changelogtab'>
         <h1 style={{ 'marginBottom': '-10px' }}>{this.state.title}</h1>
         <h5 style={{ 'lineHeight': '0px' }}>{this.state.author} • {this.state.date}</h5>
         {this.state.image ? <img draggable='false' src={this.state.image} alt={window.language.modals.update.title} className='updateimage'/> : null}
@@ -106,7 +106,7 @@ export default class Changelog extends React.PureComponent {
         <Modal closeTimeoutMS={100} onRequestClose={() => this.setState({ showLightbox: false })} isOpen={this.state.showLightbox} className='Modal lightboxmodal' overlayClassName='Overlay resetoverlay' ariaHideApp={false}>
           <Lightbox modalClose={() => this.setState({ showLightbox: false })} img={this.state.lightboxImg}/>
         </Modal>
-      </>
+      </div>
     );
   }
 }

src/components/modals/main/settings/sections/background/Background.jsx

@@ -78,7 +78,9 @@ export default class BackgroundSettings extends React.PureComponent {
 
   componentDidMount() {
     if (navigator.onLine === false || localStorage.getItem('offlineMode') === 'true') {
-      return;
+      return this.setState({
+        backgroundCategories: [window.language.modals.update.offline.title]
+      });
     }
 
     this.getBackgroundCategories();