body {
  width: 1100px;
  height: 600px;
  background-color: grey;
  margin-top: 50px;
  margin-left: 100px;
  margin-right: 50px;
}

header{
  height: 400px;
}
#col1{
  height: 200px;
  width: 500px;
  float: left;
}

#col2{
  height: 200px;
  width: 500px;
  float: right;
}

#col3{
  height: 400px;
  width: 500px;
  float: left;
}

#col4{
  height: 400px;
  width: 500px;
  float: right;
}

h1{
  text-align: center;
  font-size: 50px;
  background-color: white;
}
#deslizador{

  margin-left: 170px;
  margin-top: 10px;

}

#deslizador1{
  margin-left: 170px;
}

#deslizador2{
  margin-left: 170px;
}

p{
  margin-left: 170px;
}

button{
  margin-left: 200px;
  margin-top: 60px;
  font-size: 40px;
  border-radius: 10px;
  background-color: white;
}