body{
    font-family: Arial, sans-serif;
    background-color:#f2f2f2;
    margin:0;
    padding:0;
}

header{
    background:#003366;
    color:white;
    padding:20px;
    text-align:center;
}

nav{
    background:#0055aa;
    padding:10px;
}

nav a{
    color:white;
    text-decoration:none;
    margin-right:15px;
}

.container{
    width:80%;
    margin:auto;
    margin-top:20px;
    background:white;
    padding:20px;
    border-radius:10px;
}

input, select{
    width:100%;
    padding:10px;
    margin-bottom:10px;
}

button{
    background:#003366;
    color:white;
    padding:10px 20px;
    border:none;
    cursor:pointer;
}

table{
    width:100%;
    border-collapse:collapse;
}

table, th, td{
    border:1px solid black;
}

th, td{
    padding:10px;
}
body{
    font-family: Arial, sans-serif;
    background:#f4f6f9;
    margin:0;
    padding:0;
}

.dashboard-container{
    text-align:center;
    padding:40px;
}

.card-grid{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
    margin-top:30px;
}

.card{
    display:inline-block;
    padding:20px 30px;
    background:#0b2a4a;
    color:white;
    text-decoration:none;
    border-radius:12px;
    min-width:180px;
    transition:0.3s;
    font-weight:bold;
    box-shadow:0 4px 10px rgba(0,0,0,0.15);
}

.card:hover{
    background:#1e5fa8;
    transform:translateY(-5px);
}