* {
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
    font-family: 'Helvetica Neue', Helvetica, sans-serif;
}
h2, img, p {
    padding: 0 5px;
}
.container {
    width: 50%;
    margin: 0 auto;
}
.grid-container {
    display: grid;
    /* Legt Anzahl und Breite der Spalten fest */
    grid-template-columns: repeat(8, auto);
    gap: 0;
}
.grid-container-item {
    /* Sorgt für den Scrolleffekt */
    overflow-y: scroll;
    width: 500px;
    height: 100vh;
    padding: 0 10px;
}
h2 {
    font-size: 16px;
    color: rgb(41, 38, 43);
    letter-spacing: 2px;
    padding-top: 10px;
    height: 60px;
}
.impressum {
    margin: 50px 0 0;
}
img {
    width: 100%;
    height: auto;
}
.green {
    background-color: #4D8135;
}
.blue {
    background-color: #186DB5;
}
.yellow {
    background-color: #E6CF3E;
}
.red {
    background-color: #AE4A37;
}
.link {
    color: black;
}
.mail br {
    display: none;
}
.back {
    padding: 10px;
    width: 100px;
    text-align: center;
    margin-top: 10px;
    cursor: pointer;
}
@media only screen and (max-width: 600px) {
    .grid-container-item, img {
        max-width: 300px;
    }
    .mail br {
        display: inline-block;
    }
}