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