Element button pseudo-element :before generated with overflow visible font-size 16px box-sizing content-box text-shadow -1px -1px 0px rgba(15,73,168,0.66) z-index auto width auto margin 0px display inline-block background cursor pointer line-height normal float none font-weight normal border 1px #018dc4 solid transform transition box-shadow 2px 2px 2px rgba(0,0,0,0.2) height auto position static border-radius padding 20px