table.factorisation {
    border-collapse: collapse;
}

table.factorisation td:first-child {
    border-right: 1px solid black;
}
table.factorisation td:last-child {
    border-right: none;
}
table.factorisation tr.lastRow {
    border-bottom: 1px solid black;
}

body {
    background-color: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: xx-large;
}

input {
    font-size: xx-large;
}

#canvas-container{
    display: flex;
    flex-direction: column;
    gap: 16px;
}