body {
    font-family: Arial, sans-serif;
    max-width: 900px;
    margin: 20px auto;
    text-align: center;
    color: #2c3e50;
    background-color: white;
}

header {
    border: 2px dashed #1e88e5;
    background-color: #bbdefb;
}

nav {
    border: 2px dashed #43a047;
    background-color: #c8e6c9;
    min-height: 30px;
}

section {
    flex: 3;
    border: 2px dashed #fb8c00;
    background-color: #ffe0b2;
}

aside {
    flex: 1;
    border: 2px dashed #8e24aa;
    background-color: #e1bee7;
    display: flex;
    align-items: center;
    justify-content: center;
}

footer {
    border: 2px dashed #e53935;
    background-color: #ffcdd2;
    min-height: 50px;
}

.container {
    display: flex;
    gap: 10px;
}

article {
    background-color: #fff3e0;
}

.article-wrapper {
    border: 1px solid #6d4c41;
    margin: 15px 0;
    padding: 10px;
    background-color: #efebe9;
}

.article-wrapper header {
    border: 1px dashed #5d4037;
    background-color: #d7ccc8;
}

.article-wrapper article {
    border: 1px dashed #8d6e63;
    background-color: #bcaaa4;
}