*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial,sans-serif;
}

body{
    background:#0f172a;
    color:white;
}

header{
    background:#111827;
    text-align:center;
    padding:20px;
}

header h1{
    color:#00e5ff;
}

.container{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:20px;
    padding:30px;
}

.card{
    background:#1e293b;
    padding:20px;
    border-radius:15px;
    text-align:center;
}

.card h2{
    color:#00e5ff;
    margin-bottom:10px;
}

.card p{
    font-size:24px;
    font-weight:bold;
}