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