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