update styles

public/stylesheets/style.css

@@ -14548,9 +14548,6 @@ button.close {
   position: relative;
   overflow: scroll; }
   .board .wrapper {
-    border: 4px solid black;
-    transition-duration: 0.25s;
-    transition-property: width, height, background-color;
     background-repeat: no-repeat;
     background-size: cover; }