HTML: Pokemon webpage

<style>
    body {
      overflow: hidden;
    }
    #version {
        position: absolute;
        left : 1em;
        bottom: 1em;
        width: 300px;
        padding: 0;
        font-size: 4em;
        font-weight: bold;
        color: silver;
    }

    #pokemonlogo {
        position : absolute;
        width : 98%;
        margin : 0 auto;
        z-index : -10;
        opacity: 0.4;
    }

    .card {
        display : block;
        min-width: 420px;
        width : 40%;
        background-color : white;
        border : 1px solid silver;
        padding: 10px;
        margin : 0 auto;
        text-align : center;
    }

    .card > img {
        min-width : 400px;
    }

    .card h2 {
        margin : 8px;
        font-family : sans-serif;
        font-size : 4em;
        color : tomato;
    }

</style>
<img id="pokemonlogo" src="https://i.redd.it/xn4we2ozfpv01.png" alt="pokemon logo"/>
<div class="card">
    <img src="https://pokemonletsgo.pokemon.com/assets/img/common/char-pikachu.png" alt="Pikachu" height="500"/>
    <h2>pikachu</h2>
</div>
<div id="version">0.0.1</div>