Viewport Height Test

mobile-safari-viewport-height-test.html

<meta name="viewport" content="width=device-width, initial-scale=1.0,viewport-fit=cover">
<title>Viewport Height Test</title>

<style>
body {
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    margin: 0;
}

main {
    width: 100vw;
    height: calc(100vh - env(safe-area-inset-bottom));
    display: flex;
    flex-direction: column;
    align-items: center;
}

main > h1 {
    max-width: 80%;
    text-align: center;
}

main > button {
    margin-top: auto;
    border-radius: 5px;
    background-color: hsl(200, 40%, 25%);
    color: hsl(0, 100%, 100%);
    padding: 1rem 4rem;
    font-size: 1rem;
    margin-bottom: 1rem;
}
</style>

<main>
    <h1>Does Safari 15 finally fix the viewport height bug?</h1>
    <button>Yes it does!</button>
</main>