Adjust min-widths of pipelines and builds tables

app/assets/stylesheets/pages/pipelines.scss

@@ -18,6 +18,10 @@
   .btn {
     margin: 4px;
   }
+
+  .table.builds {
+    min-width: 1200px;
+  }
 }
 
 .content-list {
@@ -35,7 +39,7 @@
 }
 
 .table.builds {
-  min-width: 1200px;
+  min-width: 900px;
 
   &.pipeline {
     min-width: 650px;