html, body {
    padding: 0;
    margin: auto;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    color: black;
}

.centered-div {
    width: fit-content;
    height: auto;
    margin: 0 auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.table-div {
    display: table;
    width: fit-content;
    padding: 5px 10px;
    border-collapse: collapse;
}

.table-div > .table-row {
    display: table-row;
}

.table-div > .table-row > .table-cell {
    display: table-cell;
    padding: 5px 10px;
    border: 1px solid #000;
    width: 14ch;
    text-align: center;
}

.tabel-tombol {
    display: flex;
    width: 100%;
    justify-content: center;
    align-items: center;
    text-align: center;
}

button {
    width: 75%;
    height: 32px;
    border: none;
}

button:active {
    background-color: grey;
    color: lightgrey;
}

#idStop {
    display: none;
    background-color: darkred;
    color: lightyellow;
}

#idPlay {
    display: block;
    background-color: darkblue;
    color: lightyellow;
}

#frbutton {
    display: block;
}

.highlight-red {
    background-color: red;
    color: white;
}

.highlight-green {
    background-color: green;
    color: white;
}

.no_highlight {
    background-color: white;
    color: black;
}

input[type="text"], input[type="number"] {
    text-align: center;
    width: 20ch;
    height: 28px;
}

input {
    border: 1px solid silver;
}

input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type=number] {
    -moz-appearance: textfield;
    -webkit-appearance: none;
}

input {
    outline:  none;
}

input:focus {
    border-color: darkgoldenrod;
}

label {
    width: 100%;
    padding: 5px 3px;
    font-size: 12px;
    display: flex;
    flex-direction: column;
    justify-content: left;
    align-items: start;
    text-align: left;
}