body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
}
#myCanvas {
    border: 2px solid #333;
    margin-bottom: 20px;
}
input[type="button"] {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 5px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}
input[type="button"]:hover {
    background-color: black;
}
input[type="button"]:focus {
    outline: none;
    box-shadow: black;
}
button-container {
     display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 10px; 
    flex-wrap: wrap; 
}
input[type="button"]:active {
    background-color: #3e8e41;
}
footer{
    background-color: #4CAF50;
    padding: 3px;
    text-align: center;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}