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