section.dynamic-div
{
    display: flex !important;
    flex-flow: row wrap !important;
    justify-content: space-between !important;
    width: 100vw !important;
    height: auto !important;
}
section.dynamic-div > div {
    flex: 1 1 0% !important;
    display: block !important;
    border: 4px solid darkblue !important;
    background-color: #fff !important;
    padding: 8px !important;
    margin: 2px !important;
    min-height: 200px !important;
}