#container {
  text-align: center;
  padding: 1em;
}
#slideShows {
  width: 100%;
  display: flex;  
    flex-wrap: wrap;

}
#slideShows div {
  width: 100%;
  flex: 250px;
}

#slide1Buttons, #slide2Buttons, #slide3Buttons {
  margin-right: auto;
  margin-left: auto;
  margin-bottom: 5px;
}