footer {
    height: 400px;
    position: absolute;
    left: 0;
    width: 100%;
    background: linear-gradient(90deg, #1B2D44 -16%, #003E86 113.5%);
    color: #fff;
}

footer .flex-center {
    margin-top: 30px;
  }

  .flex-center.icons {
    gap: 16px;
    margin: 13px;
  }