.placard-pro {
    font-family: Arial;
    text-align: center;
}

.placard-pro .panel {
    background: white;
    padding: 15px;
    margin: 20px auto;
    width: 80%;
}

.placard-pro input {
    width: 70px;
    margin: 5px;
}

.placard-pro button {
    padding: 10px;
    background: #2c7be5;
    color: white;
    border: none;
}

canvas {
    border: 1px solid #ccc;
    margin-top: 20px;
    background: white;
}

table {
    margin: 20px auto;
    border-collapse: collapse;
    width: 80%;
}

td,
th {
    border: 1px solid #ccc;
    padding: 8px;
}