.sudoku_board {
    margin:6px auto;
    overflow: hidden;
    overflow-y: visible;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    box-shadow: 0px 0px 5px 5px #bdc3c7;
}

#sudoku_container{
    overflow: visible;
}

.sudoku_board .cell {
    width:11.11%;
    display: inline-block;
    float:left;
    cursor:pointer;
    text-align: center;
    overflow: hidden;
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box;    /* Firefox, other Gecko */
    box-sizing: border-box;
    box-shadow: 0px 0px 0px 1px #bdc3c7;
    background:white;
}

.sudoku_board .cell.border_h {
    box-shadow: 0px 0px 0px 1px #bdc3c7, inset 0px -3px 0 0 #34495e;
}

.sudoku_board .cell.border_v {
    box-shadow: 0px 0px 0px 1px #bdc3c7, inset -3px 0 0 #34495e;
}

.sudoku_board .cell.border_h.border_v {
    box-shadow: 0px 0px 0px 1px #bdc3c7, inset -3px 0 0 black, inset 0px -3px 0 black;
}

.sudoku_board .cell span {
    color:#2c3e50;
    font-size:14px;
    text-align:center;
}

.sudoku_board .cell.selected, .sudoku_board .cell.selected.fix {
    background:#c9e2fd;
}

.sudoku_board .cell.selected.current {
    position:relative;
    background: #3498db;
    font-weight:bold;
    box-shadow: 0px 0px 3px 3px #bdc3c7;
}

.sudoku_board .cell.selected.current span {
    color:white;
}

.sudoku_board .cell.selected.group {
    color:blue;
}

.samevalue, .sudoku_board .cell span.samevalue, .sudoku_board .cell.fix span.samevalue {
    font-weight:bold;
    background: #3498db !important;
    color:white !important;
}

.sudoku_board .cell.notvalid, .sudoku_board .cell.selected.notvalid{
    font-weight:bold;
    color:white;;
    background:#e74c3c;
}

.sudoku_board .cell.fix {
    background:#ecf0f1;
    cursor:not-allowed;
}

.sudoku_board .cell.fix span {
    /*color:#7f8c8d;*/
}

.sudoku_board .cell .solution {
    font-size:10px;
    color:#d35400;
}

.sudoku_board .cell .note {
    color:#bdc3c7;
    width:50%;
    height:50%;
    display: inline-block;
    float:left;
    text-align:center;
    font-size:14px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.gameover_container .gameover {
    background-color:white;
    font-weight:bold;
    text-align:center;
    display:block;
    position:absolute;
    width:90%;
    padding:30px;
    box-shadow: 3px 3px 5px 5px grey;
    margin: 30px;
    top: 25%;
    border-radius: 15px;;
}


.restart1, .restart2, .restart3, .restart4 {
    background:#7F8C8D;
    color:#ecf0f1;
}

/* console */
.board_console_container, .gameover_container {
    background-color: rgba(127, 140, 141, 0.7);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;

    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.board_console {
    display:block;
    position:absolute;
    width:50%;
    color:white;
    background-color: rgba(127, 140, 141, 0.7);
    box-shadow: 0px 0px 5px 5px #bdc3c7;
}

.board_console .num {
    width:33.33%;
    color:#2c3e50;
    padding: 1px;
    display: inline-block;
    font-weight:bold;
    font-size:24px;
    text-align: center;
    cursor:pointer;

    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box;    /* Firefox, other Gecko */
    box-sizing: border-box;

    box-shadow: 0px 0px 0px 1px #bdc3c7;
}


.board_console .num:hover {
    color:white;
    background:#f1c40f;
}

.board_console .num.remove {
    width:66.66%;
}

.board_console .num.note {
    background:#95a5a6;
    color:#ecf0f1;
}

.board_console .num.note:hover {
    background:#95a5a6;
    color:#f1c40f;
}

.board_console .num.selected {
    background:#f1c40f;
    box-shadow: 0px 0px 3px 3px #bdc3c7;
}

.board_console .num.note.selected {
    background:#f1c40f;
    box-shadow: 0px 0px 3px 3px #bdc3c7;
}

.board_console .num.note.selected:hover {
    color:white;
}

.board_console .num.no:hover {
    color:white;
    cursor:not-allowed;
}

.board_console .num.remove:hover {
    color:white;
    background:#c0392b;
}

.statistics {
    text-align:center;
}

#sudoku_title{
    margin:16px;
    text-align: center;
    font-size: xx-large;
}

#sudoku_menu {
    position: absolute;
    z-index:2;
    height: 100%;
    left: -200%;
    /*background-color: #2320005c;*/
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    width: 250px;
}

#sudoku_menu ul, .gameover ul {
    margin: 0;
    padding: 10px 0px 0px 0px;
    list-style: none;
}

#sudoku_menu div, .gameover {
    font-size: x-large;
    background-color: whitesmoke;
}

#sudoku_menu ul li, .gameover ul li{
    margin: 5px 25px;
}

#sudoku_menu ul li a, .gameover ul li a {
    text-align:center;
    padding: 12px 10px;
    font-size: x-large;
    font-weight: bold;
    color: white;
    text-decoration: none;
    display: block;
    border-bottom: 1px solid #2c3e50;
}

#sudoku_menu.open-sidebar {
    left: 20px;
    background-color: lightgray;
    opacity: 0.8;
    height: 360px;
    border-radius: 10px;
    box-shadow: 7px 8px 16px black;
}

#sidebar-toggle {
    z-index: 3;
    background: #96989a;
    border-radius: 3px;
    display: block;
    position: relative;
    padding: 12px 10px;
    float: left;
}

#sidebar-toggle .bar{
    display: block;
    width: 28px;
    margin-bottom: 4px;
    height: 4px;
    background-color: #f0f0f0;
    border-radius: 1px;
}

#sidebar-toggle .bar:last-child{
    margin-bottom: 0;
}

.score_tag {
    position: absolute;
    left: 0px;
    color: aqua !important;
    width: 100%;
}

/*Responsive Stuff*/

@media all and (orientation:portrait) and (min-width: 640px){
    h1 { font-size:50px; }
    .statistics { font-size:30px; }
    .sudoku_board .cell span { font-size:60px; }
    .board_console .num { font-size:60px; }
}

@media all and (orientation:landscape) and (min-height: 640px){
    h1 { font-size:50px; }
    .statistics { font-size:30px; }
    .sudoku_board .cell span { font-size:50px; }
    .board_console .num { font-size:50px; }
}

@media all and (orientation:portrait) and (max-width: 1000px){
    .sudoku_board .cell span { font-size:30px; }
}

@media all and (orientation:portrait) and (max-width: 640px){
    .sudoku_board .cell span { font-size:24px; }
    .sudoku_board .cell .note { font-size:10px; }
}

@media all and (orientation:portrait) and (max-width: 470px){
    .sudoku_board .cell span { font-size:16px; }
    .sudoku_board .cell .note { font-size:8px; }
}

@media all and (orientation:portrait) and (max-width: 320px){
    .sudoku_board .cell span { font-size:12px; }
    .sudoku_board .cell .note { font-size:8px; }
}

@media all and (orientation:portrait) and  (max-width: 240px){
    .sudoku_board .cell span { font-size:10px; }
}