Element block pseudo-class :active generated with height auto transition overflow hidden opacity 1 border 1px rgba(0,0,0,1) solid background box-shadow 2px 2px 1px rgba(0,0,0,0.3) line-height 1 padding 28px margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block box-sizing border-box width 50% font-weight normal outline none z-index auto font-size 1em transform position static cursor pointer float none border-radius