.card-center-500{
    margin:50px auto;
    width:500px;
    max-width:100%;
}
.card-center{
    margin:0 auto;
    width:500px;
    max-width:100%;
}
.card-center-small{
    margin:0 auto!important;
    width:400px!important;
    max-width:100%;
}
.card-center-medium{
    margin:0 auto!important;
    width:600px!important;
    max-width:100%;
}
.error-background{
    background:red!important
}

.cursor-pointer{
    cursor:pointer!important;
}