body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px;
}

.bar {
    fill: steelblue;
    transition: fill 0.2s;
}

.bar:hover {
    fill: orange;
}

.tooltip {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
}

.title {
    font-size: 24px;
    margin-bottom: 10px;
}

.axis text {
    font-size: 12px;
}

.axis path,
.axis line {
    stroke: #333;
}