.container, .area {
    height: 100%;
    width: 100%;
}
.area{
    display: flex;
    flex-direction: row;
}
.action-area, .chart-area{
    width: 50%;
    display: flex;
    flex-direction: column;
    margin: 3px;
}
#barChartContainer, #lineChartContainer {
    height: 100%;
    width: 100%;
}
.button-area {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
    gap: 10px;
}

.btn-group {
    display: contents;
}
.btn-group button {
    padding: 15px 32px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #51cda0;
    color: white;
    width: 150px;
    text-align: center;
}
.btn-group button {
    padding: 15px 32px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #51cda0;
    color: white;
    width: 150px;
    text-align: center;
}
.btn-group button:hover {
    background-color: #45a049;
}
.checkbox-area{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
    gap: 3px;
}
.checkbox-area label{
    padding: 10px 10px;
    font-size: 16px;
    cursor: pointer;
    background-color: #df7970;
    color: white;
    width: 150px;
    text-align: center;
}