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