main>table {
    width: 100%;
}

main>table>tbody>tr>th {
    width: 33%;
}


main>table,
th,
main>table>tbody>tr>th,
main>table>tbody>tr>td {
    border: black solid 5px;
    border-collapse: collapse;
}

main>section> table >tbody>tr>td#rodv{
    background-color: red;
    width: 300px;
}
main>section> table {
    border-spacing: 0px;
}
main>section> table >tbody>tr>td#gul{
    background-color: yellow;
    width: 100px;
    height: 100px;
}

main > section > table > tbody > tr > td#rodh{
    background-color: red;
    width: 450px;
    height: 300px;
}


body > main > table > tbody > tr > td{
    text-align:center;
    width: 50%;
}

main > section > table > tbody > tr > td#skibi{
    font-size: 50px;
    color: blueviolet;
}