html, body {

  font-family: Roboto;
}

a {
  color: #fd084a;
  text-decoration: none;
}

p {
  color: #fff;
}

.description {
  margin-top: 50px;
}

span.left-arrow, span.right-arrow {
  color: #fbfbfb;
  cursor: pointer;
  display: block;
  font-size: 1em;
  height: auto;
  padding: 1em;
  position: absolute;
  top: 80%;
  transition: all 0.3s ease;
  width: auto;
  z-index: 999;
}
span.left-arrow:hover, span.right-arrow:hover {
  background-color: #87CEEB;
}

.left-arrow {
  right: 60px;
}

.right-arrow {
  right: 0;
}

.slider {
  color: #fbfbfb;
  overflow: hidden;
  position: relative;
}

.slider .carousel {
  height: 200px;
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.slider .carousel .carousel-footer {
  color: #ffffff;
  bottom: -80px;
  position: relative;
}

.slider .carousel li {
  background-image: url(здесь ваш фон);
  display: block;
  float: left;
  height: 300px;
  margin: 0;
  padding: 70px 0;
  position: relative;
  text-align: center;
}

.slider .carousel li h3, .slider .carousel li a, .slider .carousel li p {
  color: #fbfbfb;
}

@media only screen and (min-width: 780px) {
  .slider .carousel li {
    width: 700px;
  }
}
@media only screen and (min-width: 680px) and (max-width: 779px) {
  .slider .carousel li {
    width: 600px;
  }
}
@media only screen and (min-width: 480px) and (max-width: 679px) {
  .slider .carousel li {
    width: 400px;
  }
}
@media only screen and (min-width: 320px) and (max-width: 479px) {
  .slider .carousel li {
    width: 300px;
  }
}
@media only screen and (max-width: 319px) {
  .slider .carousel li {
    width: 200px;
  }
}

.feed {
  background-color: #fbfbfb;
  margin: auto;
}

.feed ul {
  width: 100%;
  margin: 0;
  padding: 0;
}

.feed h3 {
  color: #424242;
  padding: 0 0.8em;
}

.feed li {
  align-items: center;
  display: flex;
  justify-content: flex-start;
  list-style: none;
  transition: background-color 0.3s ease;
  width: 100%;
}

.feed li a {
  color: #0000ff;
  margin: 0;
  padding: 1em;
}

.feed li:hover {
  background-color: #87CEEB;
}

@media only screen and (min-width: 780px) {
  .feed {
    width: 700px;
  }
}
@media only screen and (min-width: 680px) and (max-width: 779px) {
  .feed {
    width: 600px;
  }
}
@media only screen and (min-width: 480px) and (max-width: 679px) {
  .feed {
    width: 400px;
  }
}
@media only screen and (min-width: 320px) and (max-width: 479px) {
  .feed {
    width: 300px;
  }
}
@media only screen and (max-width: 319px) {
  .feed {
    width: 200px;
  }
}

.wrapper {
  align-items: center;
  display: flex;
  flex-direction: column;
  margin: auto;
}