<!DOCTYPE html>
<html>
<head>
<style>
div {
margin: 15px;
padding: 3px;
border: solid black 1px;
overflow: hidden auto;
}
#flex-container {
display: flex;
flex-wrap: wrap;
background-color: rgb(197, 255, 236);
height: 300px;
}
#flex-container > div {
flex: 1;
height: 150px;
}
#flex-container > div > p {
inline-size: 300px;
}
#pinkDiv {
background-color: rgb(255, 205, 213);
writing-mode: vertical-rl;
}
#yellowDiv {
background-color: rgb(255, 255, 161);
writing-mode: vertical-rl;
overscroll-behavior-inline: contain;
}
</style>
</head>
<body>