Fixed errors in stylesheets

components/aside/style.styl

@@ -1,8 +1,8 @@
 @import "../constants.styl"
 
 [data-component-aside]
-  position                        : absolute
   z-index                         : 2
+  position                        : fixed
   top                             : 0
   width                           : 100vw
   height                          : 100vh

components/commons.styl

@@ -3,19 +3,13 @@
 @import './normalize.styl'
 
 // -- App ----------------------------------------------------------------------
-html
+body
   position: absolute
   height: 100%
   width: 100%
   margin: 0
   padding: 0
   font-family Roboto, sans-serif
-
-body
-  width: 100%
-  height: 100%
-  margin: 0
-  padding: 0
   -webkit-touch-callout: none
   -webkit-user-select: none
   -moz-user-select: moz-none
@@ -24,6 +18,14 @@ body
   *
     -webkit-tap-highlight-color: rgba(255, 255, 255, 0)
 
+[data-toolbox]
+  position: absolute
+  left: 0
+  top: 0
+  width: 100vw
+  height: 100vh
+  overflow-y: scroll
+
 a,abbr,address,article,aside,audio,b,blockquote,body,caption,cite,code,dd,del,dfn,dialog,div,dl,dt,em,fieldset,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,hr,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,p,pre,q,samp,section,small,span,strong,sub,sup,table,tbody,td,tfoot,th,thead,time,tr,ul,var,video
   border: 0
   margin: 0