html, body {
    background-color: #000000;
} 

.header-image {
    max-width: 50px;
}

.gallery-image {
    max-width: 400px;
    height: auto;
    border: 5px solid transparent;
    max-width: 200px;
    height: auto;
    border: 1px solid transparent;
    border-image: linear-gradient(45deg, 
        red, orange, yellow, green, blue, indigo, violet
    ) 1;
}

#pixHeader {
    display: flex;
    margin: 0 auto;
    text-align: center;
    color: white;
    padding: 20px;
    margin: 0 auto;
    justify-content: center;

    /* font settings */
    font-family: "Sixtyfour", sans-serif;
    font-weight: 400;
}


#gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    max-width: 1000px;
    margin: 0 auto;
    padding: 50px;
    gap: 20px;
}