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