body {
    color: #20C000;
    background-color: #000000;
    font-family: Arial, Helvetica, sans-serif;
    padding-bottom: 50px;
}

div.exec {
    border: 1px solid blue;
    padding: 5px;
    width: fit-content;
    font-weight: bold;
}


.exec table {
    margin: 5px;
    border-collapse: collapse;
    border: 2px solid #20C000;
}

.exec table td {
    border: 1px solid #20C000;
    padding: 5px;
}

div.exec input[type="text"] {
    width: 8em;
}