* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #131415;
    color: #efefef;
    font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    letter-spacing: 0;
}

.site-tools {
    position: sticky;
    top: 0;
}

main {
    flex: 1;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px 0;
    overflow-wrap: anywhere;
}

main h1 {
    margin: 0 0 28px;
    padding-bottom: 28px;
    border-bottom: 2px solid #3d3e43;
    font-size: 32px;
    line-height: 1.3;
    font-weight: 700;
}

main h2 {
    margin: 30px 0 14px;
    font-size: 20px;
    line-height: 1.5;
    font-weight: 600;
}

main p {
    margin: 0 0 20px;
    white-space: normal;
}

main a {
    color: #008cff;
    text-underline-offset: 3px;
}

.footer {
    width: calc(100% - 40px);
    max-width: 960px;
    margin: 50px auto 0;
    padding: 30px 0 20px;
    border-top: 3px solid #3d3e43;
    color: #efefef;
    text-align: center;
    font-size: 16px;
    overflow-wrap: anywhere;
}

.footer p {
    margin: 0;
}

@media (max-width: 600px) {
    main {
        padding-top: 28px;
    }

    main h1 {
        font-size: 26px;
    }
}