body {
    margin: 0;
    height: 100%;
}

#logo {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 80%;
    max-width: 400px;
}

#main {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

span {
    display: inline-block;
    width: min(80vw, 900px);
}

html {
    -webkit-text-size-adjust: 100%;
    width: 100%;
    height: 100%;
    /*font-size: min(3vw, 18px);*/
    font-size: 18px;
    margin: 0px;
    color: #ffffff;
    font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue",
        Helvetica, Arial, "Lucida Grande", sans-serif;
    text-align: center;
}

@supports not (-webkit-touch-callout: none) {
    html {
        background: linear-gradient(0deg, rgba(0, 174, 255, 1) 0%, rgba(0, 82, 153, 1) 100%);
        background-repeat: no-repeat;
        background-attachment: fixed;
    }
}

@supports (-webkit-touch-callout: none) {
    html {
        background-color: rgb(0, 92, 173);
    }
}

a {
    color: white;
}