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