* {
    margin: 10;
    padding: 10;
    box-sizing: border-box;
    font-family: 'Ubuntu Regular', monospace;
}

body {
    background-color: #000000;
    color: #30ce00;
}

.topnav {
    width: 100%;
    background-color: black;
    border-bottom: 2px solid #30ce00;
    box-shadow: 0 0 10px #30ce00;
    display: flex;
    justify-content: center;
    padding: 15px 0;
    top: 0;
    z-index: 1000;
}

.topnav a {
    text-decoration: none;
    color: #30ce00;
    font-size: 18px;
    padding: 8px 16px;
    border-radius: 10px;
    transition: 0.3s;
}

.topnav a:hover {
    background-color: #30ce00;
    color: black;
    box-shadow: 0 0 10px #30ce00;
}

.art-gallery {
    border: 2px solid #30ce00;
    border-radius: 15px;
    padding: 20px;
    max-width: 80%;
    max-height: 90%;
    margin: 50px auto;
    background-color: black;
    box-shadow: 0 0 10px #30ce00;
    text-align: left;
}

a {
  color: #30ce00;
  font-weight: bold;
}

.art-item {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.art-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.content{
    border: 2px solid #30ce00;
    border-radius: 15px;
    padding: 20px;
    max-width: 50%;
    max-height: 90%;
    margin: 50px auto;
    background-color: #121212;
    box-shadow: 0 0 10px #30ce00;
    text-align: center;
}