Merge pull request #17 from hatena/search-icon

mixed content解消のため画像をインラインSVGに変更

boilerplate.css

@@ -923,7 +923,7 @@ a.keyword {
 .hatena-module-search-box .search-module-button {
   width: 20px;
   height: 20px;
-  background: transparent url(http://blog.hatena.ne.jp/images/theme/search.png) no-repeat right center;
+  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cdefs%3E%3Cstyle%3E.a%7Bfill:none;%7D%3C/style%3E%3C/defs%3E%3Ctitle%3Esearch%3C/title%3E%3Cpath d='M16.7,15l-3.4-3.3h-.1a5.4,5.4,0,0,0,.9-3.1,5.6,5.6,0,1,0-5.6,5.6,5.4,5.4,0,0,0,3.1-.9.1.1,0,0,0,.1.1L15,16.7a1.1,1.1,0,0,0,.8.3,1.6,1.6,0,0,0,.9-.3,1.4,1.4,0,0,0,0-1.7M8.5,12.3A3.8,3.8,0,0,1,4.8,8.5,3.8,3.8,0,0,1,8.5,4.7a3.9,3.9,0,0,1,3.8,3.8,3.8,3.8,0,0,1-3.8,3.8'/%3E%3Crect class='a' width='20' height='20'/%3E%3C/svg%3E") no-repeat center;
   border: none;
   outline: none;
   text-indent: -9999px;

boilerplate.less

@@ -558,7 +558,7 @@ a.keyword {
     .search-module-button {
         width: 20px;
         height: 20px;
-        background: transparent url(http://blog.hatena.ne.jp/images/theme/search.png) no-repeat right center;
+        background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cdefs%3E%3Cstyle%3E.a%7Bfill:none;%7D%3C/style%3E%3C/defs%3E%3Ctitle%3Esearch%3C/title%3E%3Cpath d='M16.7,15l-3.4-3.3h-.1a5.4,5.4,0,0,0,.9-3.1,5.6,5.6,0,1,0-5.6,5.6,5.4,5.4,0,0,0,3.1-.9.1.1,0,0,0,.1.1L15,16.7a1.1,1.1,0,0,0,.8.3,1.6,1.6,0,0,0,.9-.3,1.4,1.4,0,0,0,0-1.7M8.5,12.3A3.8,3.8,0,0,1,4.8,8.5,3.8,3.8,0,0,1,8.5,4.7a3.9,3.9,0,0,1,3.8,3.8,3.8,3.8,0,0,1-3.8,3.8'/%3E%3Crect class='a' width='20' height='20'/%3E%3C/svg%3E") no-repeat center;
         border: none;
         outline: none;
         text-indent: -9999px;