body {
    display: flex;
    flex-direction: column;
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    place-items: center;
}

.card {
    padding: 2em;
}

.expo-container {
    display: flex;
    flex-direction: column;
    width: 500px;
    margin: 10px;
    padding: 10px;
    border: 1px solid #b0b0b0;
    border-radius: 5px;
    place-items: center;

    .h2, h3 {
        margin: 0 0 20px 0;
        padding: 0 0 10px 0;
        border-bottom: 1px dashed #b0b0b0;
    }
}