houston/houston-core

.infinite-scroll {
  padding-bottom: 6em;
  position: relative;

  .spinner { display: none; }
  &.loading .spinner {
    position: absolute;
    bottom: 0;
    text-align: center;
    font-weight: 200;
    font-size: 1.5em;
    display: block;
    background: #f4f4f4;
    width: 100%;
    padding: 0.5em;
  }
}