*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: arial;
    display: flex;
    /*min-height: 100vh;*/
    background-color: #f4f4f4;
}
.leftbar{
    width: 15%;
    background-color: rgb(41, 155, 221);
    color: white;
    padding: 10px;
}
.leftbar h2{
    margin-bottom: 2rem;
}
.leftbar a{
    display: block;
    color: whitesmoke;
    text-decoration: none;
    margin-bottom: 1rem;
}
.leftbar a:hover{
    color: yellow;
    text-decoration: underline;
}

.main{
    flex-grow: 1;
    padding: 2rem;
}
    .cards{
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    .card{
        background: whitesmoke;
        padding: 1.5rem;
        border-radius: 8px;
        box-shadow: 0 0 2px rgba(0, 0, 0, 1);
    }
    .card h3{
        margin-bottom: 0.5rem;
    }
    table{
        width: 100%;
        border-collapse: collapse;
        margin-top: 2rem;
    }
    table th,table td{
        padding: 0.75rem;
        text-align: left;
        border-bottom: 1px solid gray;
    }
    table th{
        background-color: #ecf0f1;
    }