html, body {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont,
                'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
                'Open Sans', 'Helvetica Neue', sans-serif;
}
#flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
    padding: 40px 20px;
}
#container {
    font-size: xx-large;
    width: fit-content;
}
#view {
    width: 100%;
    box-sizing: border-box;
    height: 60px;
    padding: 0 6px;
    background-color: #ccc;
    border: 2px solid #383838aa;
    border-bottom: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

#table {
    width: 100%;
}

#table, #table tr, #table td {
    border-collapse: collapse;
    text-align: center;
}

#table td {
    border: 2px solid #383838aa;
}

#table td {
    background-color: #fafafa;
    width: 50px;
    height: 50px;
    cursor: pointer;
}

#table td:hover,
#table td:focus {
    background-color: #ddd;
} 

#table td:active {
    background-color: #898989;
}