Fix icon alignment; reduce side padding on table cells; add tag and fork icon for pipeline ref

app/assets/stylesheets/pages/pipelines.scss

 .pipelines {
   .stage {
-    max-width: 80px;
-    width: 80px;
+    max-width: 90px;
+    width: 90px;
     overflow: hidden;
     text-overflow: ellipsis;
     white-space: nowrap;
@@ -30,13 +30,17 @@
 }
 
 .table.builds {
-  min-width: 1100px;
+  min-width: 1200px;
 
   tr {
     th {
-      padding: 16px;
+      padding: 16px 8px;
       border: none;
     }
+
+    td {
+      padding: 10px 8px;
+    }
   }
 
   tbody {
@@ -46,9 +50,8 @@
   .branch-commit {
 
     .branch-name {
-      margin-left: 8px;
       font-weight: bold;
-      max-width: 180px;
+      max-width: 150px;
       overflow: hidden;
       display: inline-block;
       white-space: nowrap;
@@ -57,10 +60,15 @@
     }
 
     svg {
-      margin: 0 6px;
       height: 14px;
       width: auto;
       vertical-align: middle;
+      fill: $table-text-gray;
+    }
+
+    .fa {
+      font-size: 12px;
+      color: $table-text-gray;
     }
 
     .commit-id {
@@ -88,6 +96,12 @@
     }
   }
 
+  .icon-container {
+    display: inline-block;
+    text-align: center;
+    width: 20px;
+  }
+
   .duration,
   .finished-at {
     color: $table-text-gray;
@@ -98,15 +112,10 @@
     }
 
     svg {
-      height: 12px;
-      width: auto;
+      width: 12px;
+      height: auto;
       vertical-align: middle;
     }
-
-    .fa,
-    svg {
-      margin-right: 5px;
-    }
   }
 
   .pipeline-actions {

app/views/projects/ci/pipelines/_pipeline.html.haml

@@ -10,8 +10,11 @@
       = link_to namespace_project_pipeline_path(@project.namespace, @project, pipeline.id) do
         %span ##{pipeline.id}
       - if pipeline.ref
+        .icon-container
+          = pipeline.tag? ? icon('tag') : icon('code-fork')
         = link_to pipeline.ref, namespace_project_commits_path(@project.namespace, @project, pipeline.ref), class: "monospace branch-name"
-        = custom_icon("icon_commit")
+        .icon-container
+          = custom_icon("icon_commit")
       = link_to pipeline.short_sha, namespace_project_commit_path(@project.namespace, @project, pipeline.sha), class: "commit-id monospace"
       - if pipeline.tag?
         %span.label.label-primary tag