body {
    font-size: 35px;
    font-weight: bold;
    margin: 50px;
    background-image: url('assets/background.png');
}

input[type=text] {
    margin: 10px;
    width: 50px;
    height: 40px;
    border-radius: 20px;
    background-color: lightgrey;
    text-align: center;
}

.matrix {
    display: none;
    text-align: center;
}

table, td, tr {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

#end {
    top: 250px;
}

button {
    height: 50px;
    width: 100px;
    border-radius: 20px;
    font-weight: bold;
    background-color: transparent;
}