.materiais-complementares {
    color: white;
    font-family: 'Montserrat', sans-serif;
}
.materiais-complementares h3 {
    margin-bottom: 20px;
}
.material-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #F5A623;
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: bold;
    text-decoration: none;
    margin-bottom: 10px;
    box-shadow: 0px 4px 0px #a86b00;
    transition: all 0.2s ease;
}
.material-btn:hover {
    background-color: #e4941d;
}
.material-btn .icon-download {
    margin-left: 10px;
}