.container-pup-up {
    display: flex;
    justify-content: center;
    position: relative;
}

.div-pup-up {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    border: 2px solid black;
    border-radius: 16px;
    background-color: rgb(231, 253, 255);
    width: 400px;
    height: 300px;
    position: absolute;
    bottom: 60px;
    visibility: hidden;
}

.h1-pup-up {
    margin: 0px;
}

.schließen-button-pop-up {
    border: 2px solid black;
    border-radius: 8px;
    padding: 10px 24px;
    margin-top: 110px;
}