body {
    max-width: 1000px;
    background-color: #fff;
    margin: auto;
    font-size: 95%;
    color: #333;
}

@media (min-width: 980px) {
    body {
        display: flex;
        gap: 24px;
        justify-content: center;
    }
}

header {
    background: yellow;
    font-weight: bold;
    text-align: center;
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
    z-index: 9999;
    border-bottom: 1px solid #fff;
}

header>div {
    max-width: 1000px;
    display: flex;
    align-items: center;
    margin: auto;
    justify-content: space-between;
}

header div a {
    color: #333;
    padding: 4px 16px;
    display: inline-block;
    text-decoration: none;
}

main {
    line-height: 1.8;
    margin: 96px 0 24px;
    border-top: 2px solid yellow;
}

aside {
    min-width: 320px;
}

time {
    font-size: 14px;
    position: absolute;
    top: -16px;
    background: #fff;
    display: inline-block;
    left: 0;
    padding: 4px;
}

aside h2 {
    margin-top: 84px;
}

aside ul {
    padding: 0px;
    background-color: #fff;
    margin-top: 24px;
    list-style: none;
    font-size: 12px;
}

aside ul li {
    margin-bottom: 12px;
}

aside ul li:last-child {
    margin-bottom: 0;
}

article {
    padding: 16px 32px;
    border-radius: 6px;
    background-color: #fff;
    position: relative;
}

figure {
    margin: auto 0;
    text-align: center;
}

img {
    max-width: 100%;
}