.wrapper {
  display: flex;
  flex-flow: row wrap;
  font-weight: bold;
  text-align: center;
}

.wrapper > * {
  padding: 10px;
  flex: 1 100%;
}

header {
  background: black;
  color: white;
  position: fixed;
  top:0; left:0;
  width: 100%;
  height: 2.5rem;
  text-align: center;
  vertical-align: middle;
}

footer {
  background: black;
  color: white;
  position: fixed;
  bottom: 0rem; left:0;
  width: 100%;
  height: 2.5rem;
  vertical-align: middle;

}

sub {
  vertical-align: sub;
  font-size: smaller;
}
main {
  text-align: center;
;
}
#logo{
  color: green;
  font-size: medium;
  text-align: left;
  font-weight: bold;
}
#top_link{
    display: flex;
    justify-content: flex-end;
    position: fixed;
    bottom: 2.5rem;
    right: 1.5rem;
    z-index: 15;
}
.transparent_button {
    background-color: Transparent;
    background-repeat:no-repeat;
    border: none;
    cursor:pointer;
    overflow: hidden;
    outline:none;
}
.blink {
        animation: blinker 0.6s linear infinite;
        color: green;
        font-size: 30px;
        font-weight: bold;
        font-family: sans-serif;
      }


@media all and (min-width: 600px) {
  .aside { flex: 1 0 0; }
}

@media all and (min-width: 800px) {
  .main    { flex: 3 0px; }
  .aside { order: 1; }
  .main    { order: 2; }
  .footer  { order: 3; }
}
/**
#CoffeeCarousel .carousel-item image {
  object-fit: cover;
  object-position: center;
  overflow: hidden;
  height: 100vh;
}
*/
/**
.carousel .item {

  height: 300px;
}
.item img {
  position: absolute;
  top: 0;
  left: 0;
  min-height: 300px;

}
 */                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
