Sélecteur avec ruban

Html

<div class="tile is-4 is-parent is-vertical">
    <div class="tile is-child box">
        <h1>Ruban</h1>
        <p class="title is-5 pt-3">Choisisez votre modéle </p>
        <div class="select">
            <select>
                <option>Sony</option>
                <option>Samsung</option>
            </select>
        </div>
    </div>
</div>

CSS

h1 {
    position: relative;
    background-color: #00b5ad;
    color: white;
    left: -30px;
    display: inline-block;
    padding: 5px 25px;
    cursor: pointer;
}

h1:hover {
    background-color: #00827c;
}

h1:before {
    position: absolute;
    content: '';
    width: 50px;
    height: 50px;
    background-color: #00827c;
    transform: rotate(45deg);
    z-index: -1;
    left: 11px;
    top: 9px;
}