.useful-materials {
  .col {
    min-height: 120px;
    position: relative;
    padding-right: 10px;
    padding-left: 10px;
    margin-bottom: 10px;
    border: 1px solid #eee;
    vertical-align: middle;
    display: flex;
    align-items: center;
  }

  .heading-title {
    text-align: center;
  }

  .hover {
    &:hover {
      color: $color-blue-light;
      border-color: $primary;
      background-color: $color-hover;
      text-decoration: none;
      cursor: pointer;
    }
  }
}
