#tutures {
  display: flex;
}

.icon-bar {
  width:800px;
  overflow: auto; /* Overflow due to float */
}

.icon-bar a {
  float: left; /* Float links side by side */
  text-align: center; /* Center-align text */
  width: 20%; /* Equal width (5 icons with 20% width each = 100%) */
  padding: 12px 0;
  transition: all 0.3s ease;
}

.icon-bar a:hover {
  -webkit-filter: drop-shadow(0px 0px 0px #740000);
  filter: drop-shadow(5px 5px 5px #740000);
}