Element button pseudo-class :active generated with display block font-size 12px line-height 1 position static border 0px rgba(0,0,0,1) solid overflow hidden float none height auto font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px transition padding 20px box-sizing content-box box-shadow 1px 1px 1px rgba(0,0,0,0.3) background border-radius cursor default z-index auto width 160px transform