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