body {
  margin: 0px;
  padding: 0px;
  border: 0px;
  background: url(Imagens/img-3.jpg) no-repeat;
  background-position: -280px center;
  background-size: cover;
  font-family: sans-serif;
  height: 100vh;
}

header {
  background-color: rgb(5, 5, 60);
  padding: 12px;
}

aside {
  background-color: rgb(20, 20, 80);
  display: inline-block;
  width: 250px;
  height: 86%;
}

button {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.95);
  display: inline-block;
  border: none;
}

nav button {
  display: block;
  width: 100%;
  font-size: 18px;
  padding: 20px;
}

nav button:hover {
  background-color: rgb(44, 129, 194);
  transition: 0.5s;
}

h2 {
  display: inline-block;
  color: rgba(255, 255, 255);
}

h2 > strong {
  color: rgb(0, 122, 237);
}

h3 {
  text-align: center;
  color: rgba(255, 255, 255, 0.86);
}

#sair {
  background-color: rgb(0, 200, 255);
  width: 40px;
  height: 30px;
  border-radius: 2px;
  float: right;
  cursor: pointer;
}

#barras {
  margin-left: 40px;
  cursor: pointer;
}

img#swift {
  display: block;
  margin: auto;
  width: 120px;
  padding: 30px 0px 5px;
}

img.logo {
  float: left;
  width: 20px;
  margin-left: 25px;
}

#checkbox {
  position: absolute;
  visibility: hidden;
}

#checkbox:checked ~ aside {
  width: 120px;
  transition: 0.2s;
}

#checkbox:checked ~ aside .texto {
  display: none;
}