improve mobile style

custom/templates/datasets/index.tmpl

@@ -9,7 +9,7 @@
 				{{template "datasets/dataset_list" .}}
 				{{template "base/paginate" .}}
 			</div>
-			<div class="ui sixteen wide mobile six wide tablet four wide computer column">
+			<div class="ui sixteen wide mobile six wide tablet three wide computer column">
 				{{template "explore/repo_right" .}}
 			</div>
 		</div>

custom/templates/explore/navbar.tmpl

@@ -18,7 +18,7 @@
 </div>
 <!--平板、移动端-->
 
-<div class="computer only two wide computer column">
+<div class="computer only three wide computer column">
 	<div class="ui grid">
 		<div class="sixteen wide column ui secondary sticky pointing tabular vertical menu">
 			<a class="{{if .PageIsExploreRepositories}}active{{end}} item" href="{{AppSubUrl}}/explore/repos">

custom/templates/explore/repos.tmpl

@@ -6,12 +6,12 @@
 	<div class="ui container">
 		<div class="ui grid">
 			{{template "explore/navbar" .}}
-			
+
 			<div class="ui sixteen wide mobile ten wide tablet ten wide computer column">
 				{{template "explore/repo_list" .}}
 				{{template "base/paginate" .}}
 			</div>
-			<div class="ui sixteen wide mobile six wide tablet four wide computer column">
+			<div class="ui sixteen wide mobile six wide tablet three wide computer column">
 				{{template "explore/repo_right" .}}
 			</div>
 		</div>