<!DOCTYPE html>
<html>
<head>
</head>
<body>
<h1 style="line-height: 200px; background: blue; display: flex"><input value="expected large line-height - success." style="width: 250px"/>ALIK</h1>
<h1 style="line-height: 200px; background: red; display: flex"><input value="expected large line-height - FAILURE!!!" style="width: 250px"/></h1>
</body>
</html>