style.css

body{
  text-align:center;
  font-family:Open Sans,sans-serif;
  background-color:#8A71C9;
  color:#ffffff;
  margin:0px 0px 30px 0px;
}

h2{
  color:#2a0074;
  font-size:40px;
}

.titulo-verde{
  color:#04ff9f;
}

.titulo-vermelho{
  color:#ff9e9e;
}

.titulo-amarelo{
  color:#ffe36d;
}

section{
  width:60%;
  margin:0 auto;
}

section section{
  width:100%;
}

h1{
  font-size:60px;
  font-weight:300;
}

h3{
  font-size:22px;
  font-style:italic;
  }

p{
  line-height:1.5;
  font-size:20px;
}

img{
  width:100%;
}

ul{
  list-style-type:none;
  line-height:2;
  padding-left:0;
}

a{
  text-decoration:none;
  color:#99ffff;
  font-weight:700;
}

.principal {
  background-color: #FF6CB5;
  height: 40px;  
  max-width:60%;
  margin:0 auto;
}

.principal a{
  color: #FFF;
  text-decoration: underline;
  font-weight: normal;
}

.principal li{
  display:inline-block;
  line-height:2.5;
  margin: 0 89px;
}

button{
  background: #41f341;
  border: 1px solid transparent;
  padding: 2px 20px;
  border-radius:3px;
}