Element block pseudo-class :active generated with display block box-sizing content-box height auto background font-size 16px border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px width 160px transition transform padding 20px z-index auto float none position static line-height 1 cursor default overflow hidden