body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    width: 100%;
}

#header {
    background: #f8f9fa;
    border-bottom: 1px solid #ddd;
    width: 100vw;
    box-sizing: border-box;
    padding: 0;
}

#header-inner {
    padding: 10px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

#content-wrapper {
    padding: 10px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-full-width {
    width: 100%;
}