.PicDiv {
    border: 0px outset black;
    background-color: transparent;
    text-align: left;
    display: inline-block;
    vertical-align: top;
    width: 20%;
    min-width: 100px;
    min-height: 180px;
    margin: 10px;
    margin-left: 30px;
    margin-bottom: 20px;
    margin-right: 12px;
    max-height: 250px;
}
.smallPic {
    background-color: transparent;
    text-align: left;
    vertical-align: top;
    min-width: 100px;
    min-height: 100px;
    max-height: 150px;
}
.bottomPic {
    display: flex;
    align-items: flex-end;
}

.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
 
}