Fix selectors with hyphens instead of underscores

Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>

app/assets/stylesheets/pages/events.scss

@@ -50,7 +50,7 @@
   .event-user-info {
     margin-bottom: $gl-padding-4;
 
-    .author_name {
+    .author-name {
       a {
         color: $gl-text-color;
         font-weight: $gl-font-weight-bold;
@@ -118,26 +118,11 @@
     }
   }
 
-  .event_icon {
-    position: relative;
-    float: right;
-    border: 1px solid $gray-darker;
-    padding: 5px;
-    border-radius: 5px;
-    background: $gray-light;
-    margin-left: 10px;
-    top: -6px;
-
-    img {
-      width: 20px;
-    }
-  }
-
   &:last-child {
     border: 0;
   }
 
-  .event_commits {
+  .event-commits {
     li {
       &.commit {
         background: transparent;

app/helpers/events_helper.rb

@@ -273,7 +273,7 @@ module EventsHelper
 
   def event_user_info(event)
     content_tag(:div, class: "event-user-info") do
-      concat content_tag(:span, link_to_author(event), class: "author_name")
+      concat content_tag(:span, link_to_author(event), class: "author-name")
       concat " ".html_safe
       concat content_tag(:span, event.author.to_reference, class: "username")
     end

app/views/events/event/_push.html.haml

@@ -18,7 +18,7 @@
 
 - if event.push_with_commits?
   .event-body
-    %ul.content-list.event_commits
+    %ul.content-list.event-commits
       = render "events/commit", project: project, event: event
 
       - create_mr = event.new_ref? && create_mr_button?(from: project.default_branch, to: event.ref_name, source_project: project, target_project: project) && event.authored_by?(current_user)