* {
    box-sizing: border-box;
}

.principal {
    line-height: 1.3;
    margin: 0;
}

.aulas-table-ul {
    padding-left: 1rem;
    margin-bottom: 1rem;
}

h4 {
    color: #3482bd;
    font-size: 1.2em;
    font-weight: 800;
    margin-left: 1.2em;
}

.aulas-table {
    list-style: none;
    margin-bottom: 0.5rem;
}

.aulas-paragrafo {
    text-indent: 1em;
    text-align: justify;
    margin: 1rem 0;
    font-size: 1.1em;
    line-height: 1.5;
}

.aula-top {
    padding: 1em 0;
}