#board {
    margin: 0 auto;
}
#moveStats, #openingTree, #gameAnalysis, #gameHistory {
    max-height: 300px;
    overflow-y: auto;
}
.opening-tree {
    list-style-type: none;
    padding-left: 20px;
}
.opening-tree li {
    margin-bottom: 5px;
}
#gameAnalysis table {
    font-size: 0.9em;
}
.export-btn {
    margin-left: 10px;
}