body {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    padding: 0;
    box-sizing: border-box;
    display: grid;
    place-content: center;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 50px;  
}
li {
    cursor: pointer;
    font-size: 20px;
    color: #333;
    transition: color 0.3s;
}

.tab-button.active {
    border-bottom: 2px solid #333;
    text-align: center;
    display: block;
    font-weight: 700;
}

.container-content {
    margin-top: 20px;
    font-size: 18px;
    color: #555;
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.content {
    padding: 2rem;
    display: none;
    border-radius: 8px;
    border: 3px solid #ddd;
    height: 200px;
    box-shadow: 4px 4px 10px rgba(0, 0, 0, 0.5);
}

.content.active {
    display: block;
}