/* Le code CSS de la démo */
.container {
	margin: 2em auto;
}
article {
	margin: 2em 0;
}

/* Position */

.sticky {
    position: sticky;
    top: 0;
	background-color: #f9c;
	z-index: 1;
}
.static {
    position: static;
    left: -5em;
    background-color: #9c6;
}
.relative {
    position: relative;
    left: -10em;
    background-color: #fc3;
}
.absolute-parent {
    position: relative;
}

.absolute {
    position: absolute;
    top: 0;
    right: 0;
    padding: 2em;
	background-color: #f93;
}
.fixed {
    position: fixed;
    top: 0;
    right: 0;
    width: 20em;
    background-color: #69c;
}