body {
    font-family: 'Roboto', sans-serif;
    display: flex;
    flex-direction: column;
    margin: 0;
}

* {
    box-sizing: border-box;
}

.row {
    display: flex;
    justify-content: center;
}

.cols {
    display: flex;
    gap: 1rem;
}

.column {
    display: flex;
    flex-direction: column;
}

.col-8 {
    width: 66.6667%;
}

.col-4 {
    width: 33.3333%;
}

.align-center {
    align-items: center;
}

.container {
    display: flex;
    max-width: 1280px;
    width: 100%;
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
    gap: 0.5rem;
    width: 100%;
}

nav ul li a {
    text-decoration: none;
}

.top-menu {
    background-color: #27509a;
    height: 40px;
}

.top-menu ul {
    justify-content: flex-end;
}

.top-menu a {
    color: white;
    font-size: 0.875rem;
}

.main-menu {
    height: 64px;
}

.main-menu ul {
    gap: 1rem;
}

.main-menu a {
    color: #202223;
    font-weight: 700;
}

.ad .container {
    justify-content: center;
}

.ad img {
    padding: 1rem 0;
}

article {
    margin-top: 1rem;
}

aside {
    color: #202223;
    background-color: #edf2f6;
    padding: 1rem;
}

aside h2 {
    margin: 0;
    font-size: 14px;
}