.image_link{
  display:block;
}
.image_link img{
  transition:0.3s;
  display:block;
  width:100%;
}
.image_link:hover img{
  opacity:0.5;
}

ul2 {
    display: flex;
	justify-content: center;
}
li2 {
    list-style: none;
	margin: 0 5px;
  }