gecko-dev/dom/events/test/pointerevents/pointerevent_styles.css

#innerFrame {
position: absolute;
top: 300px;
left: 200px;
height: 100px;
width: 100px;
}

.spacer {
height: 100px;
}

#square1 {
top: 330px;
left: 150px;
background: black;
}

#square2 {
top: 50px;
left: 30px;
visibility: hidden;
background: red;
}

.square {
height: 20px;
width: 20px;
position: absolute;
padding: 0px;
}

#target0 {
background: black;
color: white;
white-space: nowrap;
overflow-y: auto;
overflow-x: auto;
}

#target1 {
background: purple;
color: white;
white-space: nowrap;
overflow-y: auto;
overflow-x: auto;
}

#scrollTarget {
  background: darkblue;
}

.touchActionNone {
touch-action: none;
}

#innerframe {
width: 90%;
margin: 10px;
margin-left: 10%;
height: 200px;
}

.scroller {
width: 700px;
height: 430px;
margin: 20px;
overflow: auto;
background: black;
}

.scroller > div {
height: 1000px;
width: 1000px;
color: white;
}

.scroller > div div {
height: 100%;
width: 100%;
color: white;
}

div {
margin: 0em;
padding: 2em;
}

#complete-notice {
background: #afa;
border: 1px solid #0a0;
display: none;
}

#pointertype-log {
font-weight: bold;
}

#event-log {
font-weight: bold;
}

#listener {
background: orange;
border: 1px solid orange;
position: absolute;
top: -100px;
}

body.scrollable {
min-height: 5000px;
}