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