*{
    margin: 0;
    padding:0;
    box-sizing: border-box;
}
    body{
        font-family: Arial;
        display:flex;
        min-height: 100vh;
        background: #e9e7e7;

    }
    .leftbar{
        width: 250px;
        background-color: #2c3e50;
        color: white;
        padding: 1rem;
    }
    .leftbar h2{
        margin-bottom: 2em;
    }
    .leftbar a {
        display: block;
        color: white;
        text-decoration: underline;
        color: yellow;
        font-size:1.1rem;
    }
    .main{
        flex-grow:1;
        padding: 2rem;
    }
    .cards{
        display: grid;
        grid-template-columns: repeat(auto-flt, minmax(200px,lfr));
        gap: 1rem;
    }
    .card{
        background: white;
         padding: 1 Srem;
         border-radius: 6px;
         box-shadow: 0 0 10px rgba(0,0,0,0.1);

    }
    .card h3{
        margin-bottom: 0.5rem;
    }
    table th, table td{
        padding: 0.75rem;
        text-align: left;
        border-bottom: 1px solid #accc;
    }
    table th{
    background-color: #ecf0f1;
    }