* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  padding: 0;
  margin: 0;
}

.main .header {
  display: flex;
  background-color: #181616;
  color: #fff;
  padding: 10px;
  justify-content: space-between;
  align-items: center;
}

.main .header .logo {
  font-size: 30px;
}

.main .header .about {
  text-decoration: none;
  color: #fff;
  background-color: #717171;
  padding: 10px;
}

.main .header .about:hover {
  background-color: #bbb;
}

.main .slideshow {
  width: 100%;
  position: relative;
  margin: auto;
}

.main .slideshow .slider {
  display: none;
}

.main .slideshow .slider img {
  width: 100%;
  height: calc(100vh - 200px);
}

.main .slideshow .prev,
.main .slideshow .next {
  cursor: pointer;
  position: absolute;
  top: 40%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: #fff;
  font-weight: bold;
  font-size: 50px;
  transition: 0.6 ease;
  user-select: none;
}

.main .slideshow .prev {
  border-radius: 0 3px 3px 0;
}

.main .slideshow .next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.main .slideshow .prev:hover,
.main .slideshow .next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.main .slideshow .slider .text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

.main .dots {
  text-align: center;
}

.main .dots .dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6 ease;
}

.main .dots .active,
.main .dots .dot:hover {
  background-color: #717171;
}

.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

.main .footer {
  text-align: center;
  bottom: 0;
  position: fixed;
  right: 0;
  margin: 10px;
}

@keyframes fade {
  from {
    opacity: 0.4;
  }
  to {
    opacity: 1;
  }
}