body {
  margin: 0;
}

#banner {
  width: 75vw;
  margin: auto;
  margin-top: 20px;
  margin-bottom: 20px;
  display: inline-flex;
  position: fixed;
  left: 50%;
  transform: translate(-50%, 0);
}

.bannerControls {
  display: inline-flex;
}

.banner {
  width: 100%;
  cursor: pointer;
}

#toLeft {
  position: absolute;
  float: left;
  top: 50%;
  transform: translateY(-50%);
  left: 10px;
  animation-duration: 0.3s;
  animation-iteration-count: 1;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}

#toRight {
  position: absolute;
  float: right;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  animation-duration: 0.3s;
  animation-iteration-count: 1;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}

#toLeft img,
#toRight img {
  width: 20px;
  height: 20px;
  background-color: #33333350;
  padding: 20px;
  border-radius: 50%;
  cursor: pointer;
}

#bannerMain {
  overflow: hidden;
  display: inline-flex;
}

@keyframes show {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes hide {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}