body{
    text-align: center;
    font-family: open sans, sans-serif;
    background-color: #8a71c9;
    color:white;
    margin: 0px 0px 30px 0px;
}

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

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

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

p{
    line-height: 1,5;
    font-size: 20px;
}

.titulo-verde{
    color: #4ff9f4; }
.titulo-vermelho{
    color: #ff9eff;}
.titulo-amarelo{
    color: #ffe36d;}

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

section section{
    width: 100%;
}

    img{
    width: 100%;
    }
    ul{
        list-style-type: none;
        line-height: 2;
        padding-left: 0;
       
    }
    a{
        text-decoration: none;
        color: #99ffff;
        font-weight: 700;     
    }
   
.principal a {
    color: white;
    text-decoration: underline;
    font-weight: normal;
}

.principal{
    background: #ff6cb5;
    height: 40px;
    max-width: 60%;
    margin: 0 auto;
}

.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;
}