Element block pseudo-class :active generated with border-radius position static background border 0px rgba(0,0,0,1) solid float none outline none box-sizing content-box margin 0px display block line-height normal text-shadow transition overflow visible cursor default padding 0px width 200px font-size 100% opacity 1 height 100px font-weight normal transform box-shadow 0px 0px 2px rgba(0,0,0,0.5) z-index auto