copyleft-guide/css/footnote-hack.css

/*  Released as CC0: http://creativecommons.org/publicdomain/zero/1.0/ */
/*   by Bradley M. Kuhn <bkuhn@ebb.org>  */

.ui-tooltip, .arrow:after {
background: black;
border: 2px solid white;
}
.ui-tooltip {
padding: 10px 20px;
color: white;
border-radius: 20px;
box-shadow: 0 0 7px black;
max-width: 50%;
}
.arrow {
width: 70px;
height: 16px;
overflow: hidden;
position: absolute;
left: 50%;
margin-left: -35px;
bottom: -16px;
}
.arrow.top {
top: -16px;
bottom: auto;
}
.arrow.left {
left: 20%;
}
.arrow:after {
content: "";
position: absolute;
left: 20px;
top: -20px;
width: 25px;
height: 25px;
box-shadow: 6px 5px 9px -9px black;
-webkit-transform: rotate(45deg);
-ms-transform: rotate(45deg);
transform: rotate(45deg);
}
.arrow.top:after {
bottom: -20px;
top: auto;
}