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