@import url('https://fonts.cdnfonts.com/css/cera-round-pro');
* {
    font-family: 'Cera Round Pro', sans-serif;
}
#header {
    padding: 10px;
	background-color: #d3d8ef;
    box-shadow: 2px 2px 5px 2px #D7D7D7;
}
#header label {
    font-weight: 500;
}
#operation-selector {
    padding: 5px;
    margin-left: 5px;
}
#container {
    margin-top: 10px;
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}
.chart-container {
    background-color: white;
    box-shadow: 2px 2px 5px 2px #D7D7D7;
    height: 400px;
}