header {
    display:flex;
    justify-content: space-between;
    background-color: orangered;
    padding: 0px 30px;
}
#categories {
    background-color: olivedrab;
    /* position: absolute; */
    padding-right: 20px;
    width: 40%;
}

main {
    display: flex;
    position: relative;
    ;
}

#goodsBox {
    width: 60%;
    background-color: orange;
    display: flex;
    flex-wrap: wrap;
}
#loginForm {

    margin: 0%;
}