html {
    background-color: #999;
}

#board {
    position: relative;
}

.board-background-root {
    position: relative;
    top: 45px;
    left: 45px;
    display: flex;
    flex-wrap: wrap;
    width: 420px;
    border: 1px solid #666;
}
.board-background-box {
    height: 30px;
    width: 30px;
    box-sizing: border-box;
    border: 1px solid #666;
}

.board-grid-root {
    position: absolute;
    top: 30px;
    left: 30px;
    display: flex;
    flex-wrap: wrap;
    width: 450px;
}
.board-grid {
    height: 30px;
    width: 30px;
    padding: 1px;
    box-sizing: border-box;
    border: 2px solid rgba(0, 0, 0, 0);
}

.board-stone {
    border-radius: 100%;
    height: 24px;
    width: 24px;
}

.board-stone-black {
    background-color: black;
}

.board-stone-white {
    background-color: white;
}

.board-grid-highlight {
    border-color: rgba(255, 165, 0, 1) !important;
}

.board-hint-root {
    position: absolute;
    top: 0px;
    left: 0px;
    display: flex;
    flex-wrap: wrap;
    width: 480px;
}

.board-hint {
    height: 30px;
    width: 30px;
    padding: 1px;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

#control-bar {
    width: 450px;
    margin-top: 10px;
    margin-bottom: 10px;
    text-align: center;
}