Merge pull request #1654 from wallabag/fix-add-button-mobile-view

fix #1636

diff --combined src/Wallabag/CoreBundle/Resources/public/themes/material/css/main.css
index 87bcfe65bbb723ab9d5b1f47b013563717bdd79a,710e4c119f2825d5683893ebf19d155264a6487d..f88880cc29e272d54caaea96c1e0d7f80a922ff3
--- 1/src/Wallabag/CoreBundle/Resources/public/themes/material/css/main.css
--- 2/src/Wallabag/CoreBundle/Resources/public/themes/material/css/main.css
+++ b/src/Wallabag/CoreBundle/Resources/public/themes/material/css/main.css
@@@ -149,10 -149,6 +149,6 @@@ nav input 
      max-height: 64px;
  }
  
- .nav-panel-buttom {
-     float: right;
- }
- 
  .nav-panels {
      transition: background 0.2s ease;
  }
@@@ -395,10 -391,6 +391,10 @@@ main ul.row 
      color: #ffffff;
  }
  
 +#article aside .chip i {
 +    color: #ffffff;
 +}
 +
  /* ==========================================================================
     6 = Media queries
     ========================================================================== */
@@@ -421,6 -413,12 +417,12 @@@
      }
    }
  
+ @media only screen and (min-width : 400px) {
+     .nav-panel-buttom {
+         float: right;
+     }
+ }
+ 
  @media only screen and (min-width : 993px) and (max-width : 1180px) {
      .row .col.l1 {
      width: 25%;