@media only screen and (min-width: 1px ) and (max-width: 400px) {
    .grid-container {
        border: 1px solid grey;
        display: grid;
        grid-template-columns: auto;
    }

    .zettelZentrum {
        display: none;
    }

    .grid-item {
        border: 1px solid grey;
        margin: 0.6rem;
        padding: 0.5rem;
        text-align: center;
    }
}

@media only screen and (min-width: 401px ) and (max-width: 800px) {

    .grid-container {
        border: 1px solid grey;
        display: grid;
        grid-template-columns: auto auto;
    }

    .zettelZentrum {
        display: none;
    }

    .grid-item {
        border: 2px solid grey;
        margin: 0.6rem;
        padding: 0.5rem;
       
      
        text-align: center;
    }
}

@media only screen and (min-width: 801px) {

    .pfeile{
        font-size:3.2rem;
        background-color:white;
    }

    .grid-container {
        display: grid;
        grid-template-columns: auto auto auto auto;
        grid-template-rows: auto;
        height: 95vh;
        width: 100vw;
    }

    .zettelZentrum {
        background-color: gainsboro;
        border: 1px solid grey;
        padding-top: 1rem;
        grid-column: 2 / 3;
        grid-row: 2 / 6;
        font-size: large;
        cursor: pointer;
    }
    .KapitelTitel {
        color: #080f50;
        font-size: 3rem;
        font-weight: bold;
        margin-left: 3rem;
    }
    .ZettelTitel {
        color: #080f50;
        font-size:large;
        font-weight: bold;
        margin-left: 3rem;
    }
    .Zettelhtmlrawtext {
       margin-left:3rem;
    }

    .grid-item {
        border: 1px solid grey;
        margin: 2rem;
        padding: 0.5rem;
      
      
        text-align: center;
        height:3rem;
      
        font-size:1.6rem;
        font-family:Arial;
        background-color:white;
        cursor:pointer;
        
    }

    
}