th
{
    text-align: center;
}

td{
    text-align: center;
}

.felso
{
    margin-top: 3rem;
    display: flex;
    flex-wrap: wrap;

}

.img-fluid
{
    border: 0.3rem solid black;
    max-width: 100%;
}

.row
{
    margin-left: 0;
    margin-right: 0;
}

table td, th
{
    border: none;
}