html {
    background-color: #fffff0;
    font-size: 2rem;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif
}

body {
    padding: 1rem;
    margin: 0;
}

table {
    background-color: #fffff0;
}

.red_button {
    background-color: red;
    padding: .5rem;
    font-size: 1rem;
    border: none;
    color: white;
}

.main_container {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-direction: column;
}

table {
    border: .3rem solid darkgrey;
    color: darkgrey;
    font-weight: bold;
    border-collapse: collapse;
    font-size: 2rem;
}

td {
    width: 3rem;
    height: 3rem;
    text-align: center;
    border: .3rem solid darkgrey;
    cursor: crosshair;
}

td:hover:not(.empty) {
    background-color: rgb(227, 224, 224);
}

.empty {
    background-color: darkgrey;
}

#timer {
    position: fixed;
    top: 1rem;
    right: 1rem;
    margin: 0px;
    padding: .2rem;
    background-color: darkgrey;
    border: 1px solid black;
}

input {
    background-color: transparent;
    border: 1px solid black;
    padding: .2rem;
    width: 1rem;
}