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