header {
    text-align: center;
    background-color: #f0f0f0;
    padding: 1em;
    font-size: 1.5em;
    font-weight: bold;
}

h2 {
    text-align: center;
}

aside {
    margin: 20px;
    padding: 10px;
    background-color: #fafafa;
    border: 1px solid #ddd;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px;
}

.grid-container div {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    padding: 15px;
    text-align: center;
    border-radius: 8px;
}

h4 {
    margin-top: 0;
}

figure {
    text-align: center;
    margin: 20px 0;
}

.testbutton {
    background-color: #04AA6D; 
    border: none;
    color: white;
    padding: 16px 32px;
    text-align: center;
    text-decoration: none;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.4s;
    cursor: pointer;
    border-radius: 5px;
}

.testbutton:hover {
    background-color: #028754;
    color: white;
}

footer {
    text-align: center;
    background-color: #f0f0f0;
    padding: 1em;
}