* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #eee
}

.layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
    max-width: 1200px;
    margin: auto
}

aside {
    background: #2f4358;
    color: white;
    padding: 24px
}

aside a {
    display: block;
    padding: 10px 0
}

main {
    padding: 30px
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px
}

.cards article {
    background: white;
    padding: 22px;
    border-radius: 8px;
    box-shadow: 0 3px 10px #0002
}

.cards span {
    display: block;
    margin-top: 12px
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #f5f5f5
}

th,
td {
    text-align: left;
    padding: 14px;
    border-bottom: 1px solid #ddd
}

@media(max-width:700px) {
    .layout {
        grid-template-columns: 1fr
    }

    aside {
        display: flex;
        gap: 14px;
        flex-wrap: wrap
    }

    .cards {
        grid-template-columns: 1fr
    }
}