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