Make .form-horizontal simple with less CSS classes

vendors/bootstrap/less/alerts.less

@@ -15,6 +15,7 @@
   border-radius: 4px;
   color: @warningText;
   max-width: 800px;
+  min-height: @baseLineHeight;
 }
 
 // Adjust close link position

vendors/bootstrap/less/close.less

@@ -9,22 +9,10 @@
   font-weight: bold;
   line-height: @baseLineHeight;
   color: inherit;
+  cursor: pointer;
+  text-decoration: none;
   text-shadow: 0 1px 0 rgba(255,255,255,1);
-  opacity: 0.5;
-  &:hover {
-    text-decoration: none;
-    cursor: pointer;
-    opacity: 0.8;
+  &:not(:hover) {
+    opacity: 0.5;
   }
 }
-
-// Additional properties for button version
-// iOS requires the button element instead of an anchor tag.
-// If you want the anchor version, it requires `href="#"`.
-button.close {
-  padding: 0;
-  cursor: pointer;
-  background: transparent;
-  border: 0;
-  -webkit-appearance: none;
-}

vendors/bootstrap/less/forms.less

@@ -49,24 +49,13 @@ input {
   border-radius: @inputBorderRadius;
 }
 
-// Reset appearance properties for textual inputs and textarea
-// Declare width for legacy (can't be on input[type=*] selectors or it's too specific)
-input,
-textarea {
-  width: 210px;
-}
-// Reset height since textareas have rows
-textarea {
-  height: auto;
-  resize: none;
-}
-// Everything else
 textarea,
 input {
   background-color: @inputBackground;
   border: 1px solid @inputBorder;
   box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
   transition: border linear .2s, box-shadow linear .2s;
+  width: 210px;
 
   // Focus state
   &:focus {
@@ -188,18 +177,19 @@ input[type="checkbox"][readonly] {
   // Increase spacing between groups
   .control-group {
     margin-bottom: @baseLineHeight;
-  }
-  // Float the labels left
-  .control-label {
-    display: inline-block;
-    width: 140px;
-    padding-top: 5px;
-    text-align: right;
-  }
-  // Move over all input controls and content
-  .controls {
-    display: inline-block;
-    margin-left: 20px;
-    vertical-align: top;
+
+    > label {
+      display: inline-block;
+      padding-top: 5px;
+      text-align: right;
+      width: 140px;
+    }
+
+    // Move over all input controls and content
+    > *:not(label) {
+      display: inline-block;
+      margin-left: 20px;
+      vertical-align: top;
+    }
   }
 }