Remove margin around X

Author: Lachlan Campbell

docs/layout/position/index.html

@@ -121,7 +121,7 @@ <h3 class="f5 book pt4 caps">Position Relative + Absolute</h3>
           </div>
         </div>
         <div class="relative bg-black-10 h5 mbm br2">
-          <span class="absolute top-0 right-0 ma2 white bg-black-50 pa2 tc br2">X</span>
+          <span class="absolute top-0 right-0 white bg-black-50 pa2 tc br2">X</span>
           <p class="measure lh-copy pa3">
             This illustrates an absolutely positioned element that might always need to be in the top right of the content like a close button for a modal that needs to be dismissed.
           </p>

src/templates/docs/position/index.html

@@ -85,7 +85,7 @@ <h3 class="f5 book pt4 caps">Position Relative + Absolute</h3>
           </div>
         </div>
         <div class="relative bg-black-10 h5 mbm br2">
-          <span class="absolute top-0 right-0 ma2 white bg-black-50 pa2 tc br2">X</span>
+          <span class="absolute top-0 right-0 white bg-black-50 pa2 tc br2">X</span>
           <p class="measure lh-copy pa3">
             This illustrates an absolutely positioned element that might always need to be in the top right of the content like a close button for a modal that needs to be dismissed.
           </p>