body {
  background-color: #1b263b;
}

main {
  margin-bottom: 300px;
}

#caixa {
  margin: 0 auto;
  margin-top: 150px;
  width: 60%;
}
@media (max-width: 900px) {
  #caixa {
    width: 80%;
  }
}

h4 {
  margin-top: 20px;
  margin-bottom: 20px;
  color: white;
}

#movies img {
  width: 80%;
}

#movies .col-md-3 .well {
  height: auto;
  margin-bottom: 20px;
}

#movies .col-md-3 img {
  opacity: 1;
  display: block;
  width: 100%;
  height: 350px;
  transition: 0.5s ease;
  backface-visibility: hidden;
}

#btnMovies {
  margin-bottom: 20px;
  margin-top: 10px;
}

* {
  scrollbar-width: thin;
  scrollbar-color: #0e1b2b #171717;
}

*::-webkit-scrollbar {
  width: 3px;
}

*::-webkit-scrollbar-track {
  background: #171717;
}

*::-webkit-scrollbar-thumb {
  background-color: #0e1b2b;
  border-radius: 10px;
  border: 1px outset #ffffff;
}