body, html {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.top-bar {
    padding: 20px;
    background-color: #333;
    color: white;
}

#chartContainer {
    width: 100%;
    flex-grow: 1;
}

.button-container {
    display: flex;
    width: 100%;
}

.half-size-button {
    flex-grow: 1;
    width: 50%;
    padding: 20px 0;
    font-size: 1.5em;
    background-color: #333;
    color: white;
    border: none;
    transition: background-color 0.3s;
}

.half-size-button:hover {
    background-color: #333;
    cursor: pointer;
}