header {
    position: sticky;
    top: 0;
    z-index: 20;
    padding: 8px 16px;
    box-shadow: 0px 3px 5px #cccccc;
    background-color: #FFFFFF;
}
    header .banner {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    header .breadcrumb {
        margin-left: 0;
        font-size: 12px;
        font-style: italic;
        border: 1px solid;
        border-radius: 4px;
        padding: 4px 8px;
        width: 100%;
    }
    header h1 {
        margin: 0;
        margin-right: 16px;
    }
    header .logo {
        margin-left: -16px;
    }
    header .banner-nav {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-top: 8px;
    }
    header .banner-nav > a {
        border: 1px solid;
        padding: 4px 12px;
        border-radius: 4px;
        font-size: 12px;
        margin-right: 4px;
    }
footer {
    text-align: center;
}

@media screen and (min-device-width: 768px) {
    header .logo {
        margin-left: 8px;
    }
    header .burger-menu-icon {
        display: none;
    }
    header .logo {
        margin-left: 0;
    }
    header .breadcrumb {
        margin-left: 8px;
    }
}