img{
  display: block;
  border: 3px solid #fff;
  box-shadow: 
  0 0 0.5cm rgba(0,0,0,0.5);
  width: 25%;
  height:auto;
}
.container {
  display: flex;
  width: 80%;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: center;
  align-content: stretch;
  margin: auto;
}