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