canvas {
    padding-left: 0;
    padding-right: 0;
    margin-left: auto;
    margin-right: auto;
    display: block;
    border: 4px solid #000;
}

.modal {
    display: none;
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -80%);
    padding: 20px;
    background-color: white;
    border: 1px solid black;
}
  
.modal-content {
    text-align: center;
}

.modal-content .button {
    margin-top: 10px;
    padding: 5px 10px;
    cursor: pointer;
}

#nameInput {
    width: 100%;
}

h2 {
    margin-bottom: 5px;
    margin-top: 5px;
}