.twocolimg {
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: row;
    width: 90%;
}

.twocolimg > *{
    width: 50%;
}

.twocolimg > * *{
    width: 100% !important;
}

.threecolimg {
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: row;
    width: 90%;
}

.threecolimg > *{
    width: 33.33%;
}

.threecolimg > * *{
    width: 100% !important;
}