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