Element button pseudo-element :after generated with opacity 1 width 300px line-height 0 transform background transition box-sizing content-box margin 0px display block position static border 0px rgba(0,0,0,1) solid border-radius height 300px overflow visible cursor default float none text-shadow 4px 4px 6px rgba(0,0,0,0.5) z-index auto font-size 65px box-shadow 3px 3px 4px rgba(0,0,0,0.4) padding 0px outline none font-weight normal