body{
    background:#020617;
    color:white;
    font-family:Arial;
    padding:20px;
}

.topbar{
    margin-bottom:20px;
}

.title{
    font-size:35px;
    font-weight:bold;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(400px,1fr));
    gap:20px;
}

.card{
    background:#0f172a;
    border-radius:20px;
    padding:20px;
}

canvas{
    width:100%;
    height:300px;
}