*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Verdana, Geneva, Tahoma, sans-serif;

}

body {
    height: 100%;    
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

.main_container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px;
    /* height: 100%; */
}


.grid-item2 {
    background-color: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: transform 0.2s;
}

.grid-item2 a {
    text-decoration: none;
    color: inherit;
}   

.grid-item2:hover {
    transform: scale(1.05);
}   
.grid-item2 img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}
.grid-item2 h3 {
    margin: 15px 0 10px 0;
    color: #003366;
}
.grid-item2 p {
    color: #666;
    font-size: 14px;
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
    bottom: 0;
    width: 100%;
    line-height: 1.8rem;
    font-size: 14px;
}

footer p a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}


@media screen and (max-width: 600px) {
    .main_container {
        grid-template-columns: 1fr;
    }   
    
}

footer {
    background-color: #003366;
    color: white;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
    bottom: 0;
    width: 100%;
    line-height: 1.8rem;
    font-size: 14px;
}