main{
    padding-top: 100px;
    min-height: 100%;
    background-color: #253F58;
    box-sizing: border-box;
    text-align: center;
}

    main h2{
        margin: 0;
        padding: 4vh 0;
        font-size: 30px;
    }

    main .keuze{
        width: 95%;
        margin: 0 auto 3% auto;
        font-size: 1.2em;
    }

    main h4{
        font-size: 20px;
        margin: 2.5em 0 0.5em 0;
    }

    main a{
        text-decoration: underline;
        color: #00a2e2;
        font-size: 14px;
    }