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