* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Source Serif Pro', serif;
    font-size: 14px;
    line-height: 16px;
    color: #51565C;
}

.header {
    padding: 5px;
    position: sticky;
    width: 100%;
    height: auto;
}

.namen {
    display: flex;
    width: 100%;
    justify-content: space-around;
    margin-top: 5px;
    margin-bottom: 5px;
}

.date {
    padding: 5px;
    background-color: none;
}

.tagesueberblick-container {
    width: 100%;
    background-color: none;
}

.tagesueberblick {
    padding: 5px;
    max-width: 40%;
}

.grid-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    grid-auto-rows: minmax(100px, auto);
    gap: 4px;
    margin-top: 5px;
    margin-bottom: 40px;
}

.grid-item {
    display: block;
    background-color: none;
    background-color: white;
}

#portrait {
    width: 50%;
    margin-left: 25%;
}

#landscape {
    width: 80%;
    margin-left: 10%;
}

#white {
    border-color: #51565C;
    border-style: solid;
    border-width: 0.5px;
}

#text {
    padding-top: 5px;
    padding-bottom: 22.5px;
    width: 90%;
    margin-left: 5%;
}

.invisible {
    display: none;
}

.buttoncontainer {
    position: absolute;
    top: 10px;
    right: 10px;
    width: auto;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.invisible {
    display: none;
}