.Kalender-page {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap-reverse;   
}

.Kalender-page > div:nth-of-type(1) {
    flex: 1 1 60%;       
    min-width: 320px; 
    padding-right:1em;
    padding-left:1em;
}

.Kalender-page > div:nth-of-type(2) {
    flex: 1 1 30%;
    text-align: center;    
}

.square-museum {
    background-color: #e8e4c9;
    display:inline-block;
    padding:0.2em 0.4em 0.1em 0.4em; 
    margin-bottom: 0.4em;
    margin-top:0.75em;
}

.square-bgf {
    background-color: #9edf9e;
    display:inline-block;
    padding:0.2em 0.4em 0.1em 0.4em; 
}