* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    background-color: #dadada;
    min-height: 100vh;
    font-family: sans-serif;
    background: rgb(68, 3, 55);
}

.board {
    display: grid;
    grid-template-rows: repeat(10, 1fr);
    grid-template-columns: repeat(10, 1fr);
    width: 500px;
    min-height: 500px;
    margin: 3rem auto;
    background-color: #f4f4f4;
}

.board #game-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 70vw;
    height: 60vh;
    background-color: rgba(0, 0, 0, .75);
    border-radius: 5px;
    color: white;
    font-size: 1.3rem;
    z-index: 10;
}

.board #game-over span {
    margin: 1.3rem 0;
}


.board #game-over :is( #play_again, #submit_score ) {
    text-decoration: underline;
    cursor: pointer;
    pointer-events: all;
}


.board .cell {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 50px;
    height: 50px;
    background-color: #bdbdbd;
    border-color: #bdbdbd;
    border-style: outset;
    font-size: 1.6rem;
    cursor: pointer;
    color: transparent;
}

.board .cell span::selection {
    background: none;
    color: transparent;
}

.board .cell.empty {
    cursor: pointer;
}

.board .cell .fa-bomb {
    display: none;
    color: black;
}

.board .cell.show .fa-bomb {
    display: inline;
}

.board .cell .show {
    display: inline;
    cursor: default;
    color: inherit;
}


.fa-flag {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: rgb(255, 81, 0);
}

.fa-flag,
span,
*.show {
    pointer-events: none;
}

#submit_score_window {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 39, 5, 0.9);
    z-index: 100;
}

#submit_score_window input {
    width: 50%;
    padding: 10px;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

#submit_score_window .high-scores {
    font-family: 'Syne Mono', monospace;
    font-size: 2rem;
    color: white;
}

#submit_score_window .scores-container {
    width: 40%;
}

#submit_score_window .score-div {
    display: flex;
    justify-content: space-between;
    color: #fff;
    margin: .5rem 0;
    font-size: 1.2rem;
    font-family: 'Syne Mono', monospace;
}



.none.show { background-color: #776e6e !important; color: transparent; border: 1px solid #444; }
.one.show { color: blue !important}
.two.show { color: green; }
.three.show { color: red; }
.four.show { color: purple; }
.five.show { color: rgb(212, 78, 0); }
.six.show { color: rgb(223, 0, 204); }
.seven.show { color: rgb(0, 0, 0); }
.eight.show { color: rgb(0, 122, 47); }




@media screen and ( max-width: 550px ) {

    .board {
        width: 300px;
        min-height: 300px;
    }

    .board .cell {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        width: 30px;
        height: 30px;
    }

}