.site-content {
  padding: 0;
}

.site-main {
  position: relative;
  margin-bottom: 0;
  min-height: calc(100vh - 78px);
}

.background-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.icon-image {
  position: absolute;
  top: 50%; /* position the top  edge of the element at the middle of the parent */
  left: 50%; /* position the left edge of the element at the middle of the parent */
  transform: translate(-50%, -50%);
  z-index: 2;
}

.blur-image {
  filter: blur(2px);
}