.am{
  background-image: url(am.jpg);
  background-repeat:no-repeat;
  background-position: center;
  background-size: cover;
  background-attachment: fixed;

}

}
.principal{
background:#BA55D3;
}
.gif {
    text-align: center;
  padding: 15px;
}

.titulo-principal{
text-align: center;
font-size: 50px;
color:  #B22222;
}
.titulo-secundario{
font-size: 30px;
color: #B22222;
font-style: oblique;
}
#missao{
font-size: 25px;
color: #B22222;
font-style: oblique;
}
.beneficios{
font-style: italic;
font-size: 25px;
text-align: left;
color: #B22222;
}
#cururu{
font-size: 25px;
  color: 	#B22222;
font-style: oblique;
}
ul{
  display: inline-block;
  vertical-align: top;
  width: 20%;
  margin-right: inherit;
}
#aaa{
  width: 20%;
}
#bbb{
  width:25%;
  display:;
}
.bg{
  background-image: url(popo.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
 }