.title {
  background-image: url("../images/services-title.jpg");
  background-size: cover;
  background-color: rgba(0, 0, 0, 0.6); /* darkness level */
  background-blend-mode: multiply;
}

.intro {
  .button {
    display: inline-block;
    margin-top: var(--gutter);
  }
}

.fundamentals {
  background-color: var(--secondary-bg);
}

.masters {
  background-color: var(--tertiary-bg);

  li {
    margin-bottom: var(--gutter);
  }
}