@mixin centerer 
  position: absolute
  top: 50%
  left: 50%
  transform: translate(-50%, -50%)
  
.jumbotron
  text-align: center

#UpperCarousel
  width: 70%
  margin: auto

#LowerCarousel
  width: 70%
  margin: auto

.carousel-cell
  border-color: #0000ff
  border-radius: 5px
  width: 66%
  background: #8C8
  margin-right: 10px
  height: 60px
  line-height: 1.5
  // display: flex
  // align-items: center

.carousel-cell-content
  color: #ffffff
  @include centerer