Code tidy (CSS) - incomplete.

styles.css

@@ -878,17 +878,19 @@ a.ui-button:active,
     font-size: 120%;
     display: inline-block;
 }
-h4.HELM_example, .HELM_example {
+h4.HELM_example,
+.HELM_example {
     font-size: 95%;
     background: #1e92cc;
     color: #fff;
     text-shadow: none;
     padding: 0.5em;
     display: inline-block;
-    margin: -0.5em -0.5em 0.5em 0em;
+    margin: -0.5em -0.5em 0.5em 0;
     border-radius: 0.2em;
 }
-h4.HELM_example:before, .HELM_example:before {
+h4.HELM_example:before,
+.HELM_example:before {
     font-family: "FontAwesome";
     content: "\f046";
     display: inline-block;
@@ -994,9 +996,10 @@ table.HELM_table{
     margin-right: auto;
 }
 table.HELM_table th {
-    border-bottom: 1pt solid black;
+    border-bottom: 1px solid black;
 }
-table.HELM_table td, table.HELM_table th{
+table.HELM_table td,
+table.HELM_table th {
     padding: 5px;
     padding-left: 10px;
     padding-right: 10px;