div#sponsor_list_page
{
  display: block;
  position: relative;
  width: 100%;
  padding: 1em;
}

div#sponsor_list_page div#sponsor_list
{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  align-items: center;
}

div#sponsor_list_page div#sponsor_list a
{
  display: block;
  margin: 12px;
  max-width: 180px;
}

div#sponsor_list_page div#sponsor_list a > img
{
  width: 100%;
  max-height: 180px;
  border: 2px solid black;
  border-radius: 4px;
}

div#sponsor_list_page div#sponsor_list a:hover img
{
  -webkit-box-shadow: none;
  box-shadow: none;
}