.spacer {
height: 100px;
}

#square1 {
background: black;
top: 150px;
left: 100px;
}

.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;
}

.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;
}

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

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