body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.tabs {
    display: flex;
    background-color: #333;
    overflow: hidden;
    font-weight: bold;
}

.tab-button {
    background-color: inherit;
    border: none;
    color: white;
    padding: 14px 20px;
    cursor: pointer;
    transition: background-color 0.3s;
    flex: 1;
}

.tab-button:hover {
    background-color: lightgray;
    color: white;
}

.tab-button.active {
    background-color: #555;
}

.loader {
    display: none;
    text-align: center;
    padding: 20px;
    font-size: 18px;
}

.content {
    padding: 20px;
    border: 1px solid #ddd;
    min-height: 200px;
}

@media (max-width: 600px) {
    .tab-button {
        font-size: 14px;
        padding: 10px;
    }
}