.tb_formacao {
  width: 100%;
   /*margin-top: 25px;
      margin-bottom:50px;*/
   border:0px;
}

.tb_formacao  span {
  display: inline-block;
  width: 100%;
}

@media (min-width: 1000px) {
  .tb_formacao span {
    display: block;
    width: auto;
  }
}