*{
    margin: 0;
    padding: 0;
}
body{
    background-color: #8c2da6;
    color: white;
}
.img-responsive{
    max-width: 100%;
    height: auto;
}
h1{
    text-align: center;
    margin-top: 10px;
    font-size: 70px;
    font-family:Arial, Helvetica, sans-serif;
    text-shadow: 4px 4px 4px black;
}
.voltar a{
    background-color: #50185f;
    color: white;
    text-decoration: none;
    font-family: 'Gill Sans';
    position: fixed;
    right: 7px;
    bottom: 7px;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 2px 2px 2px black;
}
.voltar a:hover{
    background-color: #c800ff;
    transition: 0.5s;
}
.titulo{
    border-bottom: 5px dashed white;
}