app/styles/sidebars.css
#buttons #top { top: 0; }
#buttons #left { top: 50; }
#buttons #right { top: 100; }
#buttons #bottom { top: 150; }
sidebar {
background: yellow;
}
sidebar button {
width: 100%;
background: clear;
}
sidebar #b1 { top: 50; }
sidebar #b2 { top: 100; }
sidebar #b3 { top: 150; }
sidebar #b4 { top: 200; }