.rij {
    text-align: center;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 0px;
    /*background-color: orange;*/


    
}

.links {
    flex: 50%; /* Set the width of the sidebar */
    /*background-color:rgb(92, 29, 29);*/
    padding: 15px;
}
/* Main column */
.rechts {
    flex: 50%; /* we nemen een schermbreedte van 70% */
    /*background-color:#4ca735;*/
    padding: 15px;
}


.error {
    color: red;
}

.aanmelddiv {
    width: 60vw;
    margin-left:auto;
    margin-right:auto;
    border-style: solid;
    border-color: black;
    border-width: 3px;
    background-color: #ddd;
    text-align: center;
}

.aanmeldknop {
    padding: 2px;
    background-color: black;
    color: white;
    width: 120px;
    cursor: pointer;
    padding: 3px;
}
.aanmeldknop:hover {
    background-color: white;
    color: black;
}

#div_aanmeldknop {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

input {
    padding: 5px;
    font-size: 1em;
}



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


    .aanmelddiv {
        width: 95vw;
        
    }

    .rij {
        flex-direction: column;
    }





}