.top-description{
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.bottom-description{
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
}

.left-desc{
    width: 65%;
}

.right-desc{
    width: 33%;
}

.left-col-upgrade, .right-col-upgrade{
    width: 100%;
    margin: 0;
    margin-bottom: 20px;
}

.left-col-upgrade{
    height: 100%;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

#cenik-upgrade{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

#cenik-upgrade li{
    margin: 2px;
}

@media screen and (max-width:740px) {
    .left-desc, .right-desc{
        width: 100%;
    }
}

@media screen and (max-width:770px) {
    #cenik-upgrade li{
        width: 46% !important;
    }
}

@media screen and (max-width:570px) {
    #cenik-upgrade li{
        width: 77% !important;
    }
}