p a.oculto {
    display: inline-block;
    font-size: 0;
    text-indent: -20000px;
}

.barraSuperior ul#accessibility, .barraSuperior ul#acessbar {
    border-radius: 5px;
    color: #0071c1;
    height: 15px;
    left: 0;
    margin-left: 15%;
    margin-top: 45px;
    padding: 10px 10px 15px;
    position: absolute;
    top: 0;
    z-index: 100;
}
#menu {
    float: left;
    margin-bottom: 60px;
    margin-top: 30px;
    min-height: 500px;
    width: 22%;
}
#conteudo{
    margin-top: 30px;
    float: right;
    padding: 20px;
    width: 75%;
}

.menuPeriodo {
    margin-bottom: 5px;
    margin-left: 5px;
    margin-top: 15px;
}

.menuMarco {
      margin-left:25px;
}