Element block pseudo-class :active generated with cursor default position static float none font-size 16px font-weight normal z-index auto background line-height 1 width 50% height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px border-radius transition margin 0px border 0px rgba(0,0,0,1) solid display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) overflow hidden transform box-sizing content-box