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<!DOCTYPE html>
<html>
<body>
<style>
div {
display: flex;
}
span {
display: inline-block;
border-inline-start: 1px solid green;
}
input[type=range] {
visibility: hidden;
margin: 0;
}
</style>
<p>Test passes if you see no red:</p>
<div><span></span><input type="range"></div>
<div style="writing-mode: vertical-lr;"><span></span><span></span><span></span><span></span><input type="range"></div>
</body>
</html>