* {
    box-sizing: border-box;
    font-size: 100%;
}

html {
    font-family: "Open Sans", "Helvetica Neue", Arial, sans-serif;
    font-size: 100%;
}
body { background-color:#fafafa;}

.mn-acc-app {
    max-width: 650px;
    margin: 150px auto;
}

h1.demo-title {
    text-align: center;
}