Fixing button spacing in Dark, Flat, and Pafat themes.

p/themes/Dark/dark.css

@@ -161,6 +161,7 @@ button.as-link[disabled] {
 	display: inline-block;
 	min-height: 37px;
 	min-width: 15px;
+	line-height: 25px;
 	margin: 0;
 	padding: 5px 10px;
 	font-size: 0.9rem;

p/themes/Flat/flat.css

@@ -167,6 +167,7 @@ form th {
 	display: inline-block;
 	min-height: 38px;
 	min-width: 15px;
+	line-height: 25px;
 	margin: 0;
 	padding: 5px 10px;
 	font-size: 0.9rem;

p/themes/Pafat/pafat.css

@@ -151,6 +151,7 @@ form th {
 	display: inline-block;
 	min-height: 29px;
 	min-width: 15px;
+	line-height: 25px;
 	margin: 0;
 	padding: 1px 5px;
 	background: #fff;
@@ -163,12 +164,6 @@ form th {
 	overflow: hidden;
 }
 
-a.btn {
-	min-height: 25px;
-	line-height: 25px;
-}
-
-
 a.btn {
 	min-height: 25px;
 	line-height: 25px;