div.kalenderBox
{
    display: inline-flex;

    width:          6em;
    height:         6em;

    margin:      0.25em;
    padding:     0.25em;

    border:        none;
    border-radius:  7px;
    background-color: rgb(187, 187, 190);
}

div.kalenderFrame
{
    display:          block;    
    text-align:        left;

    background-color: #FFFFFF;
}