main{
   border-top: 1px solid var(--gray);
   padding-top: 10px;
}

#apresentacao{
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}

#apresentacao p{
    color:var(--gray);
    font-size: 1.5rem;
    max-width: 620px;
    font-weight: 300;
    line-height: 1.5;
}

#apresentacao a{
    text-decoration: none;
    align-self: flex-end;
    font-size: 1.2rem;
    font-weight: 700;
}

#apresentacao:hover a, #apresentacao:hover i{
   color:var(--blue);
}

main aside{
    border-right: 1px solid var(--gray);
}

@media screen and (max-width: 769px){
   .default-grid{
      display: flex;
      flex-direction: column;
   }
   main aside{
      grid-template-columns: 1fr 1fr 1fr;
      height: unset;
   }
   main aside .my-block{
      width: 100%;
   }
   footer{
      display: none;
   }
   #apresentacao{
      flex-grow: 1;
   }
   #apresentacao p{
      font-size: 1rem;
      line-height: 1.25;
   }
   #apresentacao a{
      margin-bottom: 12px;
   }
}