Segue o css completo
.cabecalhoPrincipal, .container{
display: flex;
justify-content: space-between;
}
.cabecalhoPrincipal-nav{
display: flex;
}
.rodapePrincipal-patrocinadores, .container{
display: flex;
justify-content: space-between;
}
.rodapePrincipal-patrocinadores-list{
display: flex;
align-items: center;
justify-content: space-around;
width: 70%;
margin-right: 5%;
}
.rodapePrincipal-contatoForm{
display: flex;
width: 25%;
}
.rodapePrincipal-contatoForm-fieldset{
display: flex;
}
.rodapePrincipal-navMap-list {
display: flex;
flex-flow: column wrap;
height: 260px;
}
.conteudoPrincipal-cursos{
display: flex;
flex-wrap: wrap;
justify-content: flex-start;
}
.conteudoPrincipal-cursos-link{
width: 23%;
margin: 1%;
}
.conteudoPrincipal-cursos-link:nth-child(4n){
margin-right: 0;
}
.conteudoPrincipal-cursos-link:nth-child(4n+1){
margin-left: 0;
}