* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: sans-serif;
    background-color: #f0f2f5;
}

.header {
    background-color: #ffadad;
}

.aside {
    background-color: #ffd6a5;
}

.main {
    background-color: #fdffb6;
}

.footer {
    background-color: #caffbf;
}

.card {
    background-color: #9bf6ff;
    border: 1px solid #888;
}

header,
aside,
main,
footer,
.card {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 20px;
    border-radius: 5px;
}

.card {
    min-height: 100px;
    font-size: 1.2rem;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 15px;
    padding: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.header,
.aside,
.main,
.footer {
    grid-column: 1 / -1;
}

.main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    background-color: transparent;
    padding: 0;
}


@media (min-width: 768px) {

    .header,
    .footer {
        grid-column: 1 / -1;
    }

    .aside {
        grid-column: 1 / 4;
    }

    .main {
        grid-column: 4 / -1;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {

    .header,
    .footer {
        grid-column: 1 / -1;
    }

    .aside {
        grid-column: 1 / 4;
    }

    .main {
        grid-column: 4 / -1;
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (width <=768px) {
    .aside {
        display: none;
    }
}