fixed cs space issues, scrollup hover & active button style

README.txt

 Scroll Up
 ---------
 
-  Scroll up allows users to scroll page back to the top of the screen using a button.
+  Scroll up allows users to scroll page back to the top of the screen
+  using a button.
   
   Scroll up uses Simple JQuery for smooth page scrolling.
 
@@ -22,4 +23,5 @@ Configuration path: admin/config/system/scrollup
 Author's Information:
 ---------------------
 
-The drupal module Scroll Up is developed by Gajendra Sharma (drupalname: gajendra.sharma) at KNOWARTH Technologies.
\ No newline at end of file
+The drupal module Scroll Up is developed by Gajendra Sharma
+(drupalname: gajendra.sharma) at KNOWARTH Technologies.

css/scrollup_top.css

@@ -15,3 +15,12 @@
   position: relative;
   top: 31px;
 }
+
+a.scrollup {
+  border-bottom-style: none;
+  border-bottom: 0;
+}
+
+.scrollup:hover {
+  text-decoration: none;
+}

scrollup.links.menu.yml

@@ -3,4 +3,3 @@ scrollup.admin:
   description: 'Scrollup Configuration'
   parent: system.admin_config_ui
   route_name: scrollup.form
-  
\ No newline at end of file

scrollup.module

@@ -42,6 +42,7 @@ function scrollup_install() {
  * Implements hook_preprocess_page().
  */
 function scrollup_preprocess_page(&$variables) {
+
   $config = \Drupal::config('scrollup.settings');
   $theme_selected = $config->get('scrollup_themename');
   $active_theme = \Drupal::service('theme.manager')->getActiveTheme()->getName();
@@ -55,4 +56,5 @@ function scrollup_preprocess_page(&$variables) {
     $variables['#attached']['drupalSettings']['scrollup_speed'] = $config->get('scrollup_speed');
     $variables['#attached']['drupalSettings']['scrollup_themename'] = $config->get('scrollup_themename');
   }
+
 }

src/Form/ScrollupForm.php

@@ -5,7 +5,7 @@ namespace Drupal\scrollup\Form;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
 
-/*
+/**
  * Configure animated scroll to top settings for this site.
  */
 class ScrollupForm extends ConfigFormBase {
@@ -134,4 +134,5 @@ class ScrollupForm extends ConfigFormBase {
       ->save();
     parent::submitForm($form, $form_state);
   }
+
 }