.explanation_pkm_block_section {
    background-color: #f7f7fa;
    padding: 0 30px 50px;
}
.explanation_pkm_block_explanations {
    max-width: 1050px;
    margin: 0 auto;
}
.explanation_pkm_block_explanation {
    border-bottom: 1px solid #D1D1DE;
    margin-bottom: 25px;
    padding-bottom: 25px;
}
.explanation_pkm_block_explanation:last-child {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
}
.explanation_pkm_block_explanation_question {
    text-transform: uppercase;
    font-weight: bold;
    margin-bottom: 15px;
}