#titulo{
display: block;
background-color: #A982C4;
}
body{
  color:black;
  background-image: url("universe.png"); 
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.voltar {
transition: all .5s linear 0;
 display:block;
 border: solid 1px transparent;
 border-radius: 100px;
background: url(voltarazul.png) center no-repeat;
background-size: 180px;
margin: 150px 150px 150px 10px;
 width: 160px;
 height:90px;
position: absolute;
top: 500px;
left:0;
}
.voltar:hover{
background-image: url(voltarrosa.png);
background-size: 185px;
}
#intro{
  color: #9DC4C9;
  position: relative;
  right: 150px;
  display: block;
  text-align: center;
  margin: 20px 400px 10px 400px;
  border: solid 5px #184A4D;
  background-color: #04304A;
  border-radius:3px;
  box-shadow: 3px 3px 3px 1px #455A5C;
  padding-bottom: 50px;
  padding-left: 50px;
  padding-right: 50px;
}
#intro p{
font-size: 20px;
  text-align: justify;
}
#bloco2{
  position: relative; 
  left:450px;
  bottom: 200px;
  color: #9DC4C9;
  display: block;
  text-align: center;
  margin: 10px 550px 10px 550px;
  border: solid 5px #184A4D;
  background-color: #04304A;
  border-radius:3px;
  box-shadow: 3px 3px 3px 1px #455A5C;
  padding-bottom: 10px;
  padding-left: 50px;
  padding-right: 50px;
}
#bloco2 p{
font-size: 20px;
  text-align: justify;
}
#bloco3{
position: relative;
bottom: 430px;
right: 135px;
  color: #9DC4C9;
  display: block;
  text-align: center;
  margin: 10px 400px 600px 400px;
  border: solid 5px #184A4D;
  background-color: #04304A;
  border-radius:3px;
  box-shadow: 3px 3px 3px 1px #455A5C;
  padding-bottom: 10px;
  padding-left: 50px;
  padding-right: 50px;
}
#bloco3 p{
font-size: 20px;
  text-align: justify;
}
#bloco4{
position: relative;
bottom:1010px;
left: 190px;
  color: #9DC4C9;
  display: block;
  text-align: center;
  margin: 10px 400px 600px 400px;
  border: solid 5px #184A4D;
  background-color: #04304A;
  border-radius:3px;
  box-shadow: 3px 3px 3px 1px #455A5C;
  padding-bottom: 10px;
  padding-left: 50px;
  padding-right: 50px;
}
#bloco4 p{
font-size: 20px;
  text-align: justify;
}