body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: white;
}

h1 {
    color: black;
}

button {

    background-color: blue;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 18px;
    cursor: pointer;
    margin-top: 20px;
    border-radius: 5px;
}

button:hover {
    background-color: darkblue;
}

/* Activity 2 */
table {
    margin-left: auto;
    margin-right: auto;
    border-collapse: collapse;
    width: 50%;
}

th, td {
    border: 1px solid black;
    padding: 10px;}


.back-btn{
    position: fixed;
    top: 20px;
    left: 20px;
    padding: 10px 20px;
    background: #2563EB;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    z-index: 1000;
}

.back-btn:hover{
    background: #1D4ED8;
}