styledetails.css

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    background-color: #f5f5f5;
}

.main-headline {
    max-width: 1100px;
    margin: 0 auto;
    text-decoration: underline;
    font-size: 25px;
    padding-left: 10px;
    padding-top: 10px;
}

.infokasten {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.headline {
    text-decoration: underline;
    padding: 10px;
    margin-bottom: 0px;
}

.back a {
    text-decoration: none;
    padding: 5px;
    color: black;
    background-color: #d3d3d3;
    font-size: 20px;
    border: 0.5px solid #d3d3d3;
    border-radius: 20px;
}

.back a:hover {
    color: black;
    background-color: whitesmoke;
    border: 0.5px solid steelblue;
}

.back {
    padding-right: 10px;
}

.chartbox {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}

.chart {
    width: calc(100% /2);
    padding: 10px;
}