html, body {
    background: white;
    font-family: "Roboto", "Lucida Grande", Verdana, Arial, sans-serif;
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
}

.header {
    padding: 10px 0;
    background: lightgray;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header-logo {
    height: 40px;
    margin-right: 20px;
}

.appname {
    font-size: 30px;
}

a {
    color: coral;
    text-decoration: none;
}

.messages {
    list-style-type: none;
}

.messages li {
    padding: 5px;
}

.success {
    background: lightgreen;
}

.error {
    background: lightcoral;
}

@media print {
    .no-print {
        display: none !important;
    }
}