body{font-family: Roboto}

    .dragArea{
        min-height: 100px;
    }
    .number{
        background-color: white;
        border-radius: 100px;
        padding-left: 8px;
        padding-right: 8px;
        margin-right: 20px;
        color: black;
    }
    .validbutton{
        font-family: Roboto;
        font-size: 30px;
    }