move save search button to sidebar

app/assets/stylesheets/common/main_layout.scss

@@ -38,7 +38,7 @@ div#page {
     }
 
     input[type=text] {
-      width: 8em;
+      width: 10em;
       z-index: 1000;
       position: relative;
     }

app/assets/stylesheets/mobile.scss

@@ -1,69 +0,0 @@
-@import "common/010_reset.scss";
-@import "common/020_base.scss";
-@import "common/030_links.scss";
-
-body {
-  padding: 5px;
-}
-
-input[type=text], input[type=submit] {
-  font-size: 18pt;
-}
-
-/* paginator */
-div.paginator {
-  font-size: 16pt;
-  font-weight: bold;
-  text-align: center;
-
-  li {
-    display: inline;
-
-    a, span {
-      padding: 3px 18px;
-      margin: 0 3px;
-      display: inline-block;
-    }
-  }
-}
-
-/* posts/index */
-article.post-preview {
-  margin: 15px 0;
-  width: 150px;
-  text-align: center;
-  vertical-align: middle;
-  display: inline-block;
-  a {
-    width: 150px;
-    display: block;
-    margin: 0 auto;
-  }
-  img {
-    margin: 0 auto;
-  }
-}
-
-/* posts/show */
-img#image {
-  margin-top: 5px;
-}
-
-div#options {
-  margin-top: 10px;
-  font-size: 24pt;
-  font-weight: bold;
-}
-
-div#tags {
-  margin-top: 30px;
-
-  li {
-    margin: 10px 0;
-  }
-
-  a.search-tag {
-    font-size: 24pt;
-    font-weight: bold;
-  }
-}