css: centralize heading styles

modules/doc/public/css/module.less

@@ -1,11 +1,3 @@
-// W3C Recommendation <http://www.w3.org/TR/CSS21/sample.html> (except h4)
-h1 { font-size:    2em !important; }
-h2 { font-size:  1.5em !important; }
-h3 { font-size: 1.17em !important; }
-h4 { font-size:    1em !important; }
-h5 { font-size:  .83em !important; }
-h6 { font-size:  .75em !important; }
-
 div.chapter {
   padding-left: 5px;
 }

public/css/icinga/defaults.less

@@ -49,6 +49,48 @@ a:hover {
   text-decoration: underline;
 }
 
+/* W3C Recommendation <http://www.w3.org/TR/CSS21/sample.html> (except h4) */
+h1 {
+    font-size:    2em;
+    color: @colorTextDefault;
+    border-bottom: 2px solid @colorPetrol;
+}
+
+h2 {
+    font-size:  1.5em;
+    color: @colorPetrol;
+}
+
+h3 {
+    font-size: 1.17em;
+    color: @colorTextDefault;
+    border-bottom: 1px solid @colorPetrol;
+}
+
+h4 {
+    font-size:    1em;
+    color: @colorPetrol;
+}
+
+h5 {
+    font-size:  .83em;
+    border-bottom: 1px solid @colorPetrol;
+}
+
+h6 {
+    font-size:  .75em;
+    color: @colorPetrol;
+}
+
+h1 a, h2 a, h3 a, h4 a, h5 a, h6 a {
+  text-decoration: none;
+  color: inherit;
+}
+
+h1 a:hover, h2 a:hover, h3 a:hover, h4 a:hover, h5 a:hover, h6 a:hover {
+  text-decoration: underline;
+}
+
 #fontsize-calc {
   display: none;
   width: 1000em;

public/css/icinga/layout-structure.less

@@ -124,12 +124,6 @@ html {
   z-index: 100;
 }
 
-.controls h1 {
-  font-size: 1.5em;
-  margin-bottom: 0.2em;
-  border-bottom: 1px solid black;
-}
-
 .container .fake-controls {
   padding: 0;
 }
@@ -152,13 +146,6 @@ html {
   margin-left: 1%;
 }
 
-.dashboard > div.container h1, .container .content h1, .container .controls h1, .content h3 {
-  line-height: 2em;
-  font-size: 1em;
-  color: @colorTextDefault;
-  border-bottom: 2px solid @colorPetrol;
-}
-
 .content h3 {
   font-size: 0.9em;
 }
@@ -167,24 +154,10 @@ html {
   margin-left: 1em;
 }
 
-.container .controls h1 {
-  margin-left: 1em;
-  margin-right: 1em;
-}
-
 .container .controls .pagination {
   margin-left: 1.2em;
 }
 
-.dashboard > div.container h1 a {
-  text-decoration: none;
-  color: inherit;
-}
-
-.dashboard > div.container h1 a:hover {
-  text-decoration: underline;
-}
-
 .content {
   padding: 1em;
 }