<!DOCTYPE html>
<html>
<head>
<style>
body {
margin: 0;
overflow: hidden; /* hide scrollbars */
}
.container {
position: absolute;
width: 2000px;
height: 180px;
top: 50px;
outline: 2px solid black;
}
.vertical.container {
top: 0px;
left: 50px;
width: 180px;
height: 2000px;
}
.box {
width: 800px;
height: 180px;
}
.vertical .box {
width: 180px;
height: 500px;
}
.sticky {
position: relative;
left: 50px;
right: 50px;
background-color: green;
}
.vertical .sticky {
left: 0;
top: 50px;
bottom: 50px;
background-color: blue;
opacity: 0.75;
}
</style>
</head>
<body>
<div class="container">
<div class="sticky box"></div>
</div>
<div class="vertical container">
<div class="sticky box"></div>
</div>
</body>
</html>