minor general img fixes

css/_forms.css

@@ -36,6 +36,7 @@
   text-align: right;
 }
 
+.dokuwiki label.block select,
 .dokuwiki label.block input.edit {
   width: 50%;
 }

css/basic.css

@@ -207,6 +207,7 @@ img {
     color: #666;
     background-color: transparent;
     font-style: italic;
+    height: auto;
 }
 
 img,
@@ -214,6 +215,11 @@ object {
     max-width: 100%;
 }
 
+/* IE8 and below won't display the images otherwise */
+button img {
+    max-width: none;
+}
+
 hr {
     border-style: solid;
     border-width: 1px 0 0;