Fixes #15536, #15559: Add .form-group sizing support to .form-control-static

dist/css/bootstrap.css

@@ -2706,6 +2706,12 @@ textarea.form-group-sm .form-control,
 select[multiple].form-group-sm .form-control {
   height: auto;
 }
+.form-group-sm .form-control-static {
+  height: 30px;
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+}
 .input-lg {
   height: 46px;
   padding: 10px 16px;
@@ -2736,6 +2742,12 @@ textarea.form-group-lg .form-control,
 select[multiple].form-group-lg .form-control {
   height: auto;
 }
+.form-group-lg .form-control-static {
+  height: 46px;
+  padding: 10px 16px;
+  font-size: 18px;
+  line-height: 1.33;
+}
 .has-feedback {
   position: relative;
 }

less/forms.less

@@ -318,6 +318,12 @@ input[type="checkbox"] {
   .form-control {
     .input-size(@input-height-small; @padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @input-border-radius-small);
   }
+  .form-control-static {
+    height: @input-height-small;
+    padding: @padding-small-vertical @padding-small-horizontal;
+    font-size: @font-size-small;
+    line-height: @line-height-small;
+  }
 }
 
 .input-lg {
@@ -327,6 +333,12 @@ input[type="checkbox"] {
   .form-control {
     .input-size(@input-height-large; @padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @input-border-radius-large);
   }
+  .form-control-static {
+    height: @input-height-large;
+    padding: @padding-large-vertical @padding-large-horizontal;
+    font-size: @font-size-large;
+    line-height: @line-height-large;
+  }
 }