#title_Puzzel{
    width: 90%;
    border: solid 1px;
    text-align: center;
    margin-top: 2%;
    margin-bottom: 2%;
}
.fieldset{
    width: 80%;
    min-height: 20%;
    border: solid 4px rgb(77, 45, 45);   
    margin-left: 10%;
    padding: 3%;
    margin-top: 3%;
    margin-bottom: 3%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 10px;
    cursor: pointer;
}
fieldset div{  
    height: 200px;
    width: 60%;
    font-size: 18px;
    background-color: rgba(95, 55, 82, 0.3);
    opacity: 0.7;
    border-radius: 10px;
    text-align: center;    
    display: flex; /* die äußere Div soll display: flex; sein damit 1.align-items und 2.justify-content: Wirkung haben*/
    align-items: center; /* Vertikale Richtung  so ====>   | */
    justify-content: center; /* Herzontale Richtung so ====>  ___ */
}

legend{
    font-size: 22px;
}

#section_Puzzel{
width: 95%;

height: auto;

}

#divTab_Source,#divTab_Target {
    display: none;
    border: solid 1px;
    float: left;
    padding: 1%;
    margin: 2%;
    background-color: darkgray;
    box-shadow: 5px 10px 20px 5px;
    border-radius: 5px;
}
#source,#target{
    width: 100%;
    border: solid 1px;
    border-collapse:separate;
    
}
#source td , #target td{
    display: inline-flex;
    border: solid 1px;
    width: 210px;
    height: 110px;
    empty-cells: show;
}