* {
    box-sizing: border-box;
}

html,
body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    margin: 0;
    min-height: 100%;
    background: #f3f4f6;
    color: #1f2937;
}

body {
    width: 100%;
}

main.main-content {
    width: 100%;
    max-width: 720px;
    margin-left: auto !important;
    margin-right: auto !important;
}