Merge pull request #1309 from usernameisntallowed/1158/50px

Min width 50 px to oscar theme category. #1158

searx/static/themes/oscar/less/logicodev/search.less

     padding-bottom: 0.4rem;
     padding-top: 0.4rem;
     text-align: center;
+    min-width: 50px;
   }
   label:last-child, .input-group-addon:last-child {
       border-right: @mild-gray 1px solid;

searx/static/themes/oscar/less/pointhi/search.less

         padding-bottom: 0.8rem;
         padding-top: 0.8rem;
         text-align: center;
+        min-width: 50px;
     }
 
     label:last-child, .input-group-addon:last-child {