accounts-frontend/src/pages/rules/rules.scss

@import '~components/ui/colors.scss';
@import '~components/ui/fonts.scss';

.rules {
  max-width: 500px;
  margin: 30px auto 0;
  padding: 0 20px;
}

.rulesSection {
  margin-bottom: 30px;
}

.rulesSectionTitle {
  line-height: 50px;

  font-family: $font-family-title;
  font-size: 20px;
  color: #fff;
  padding: 0;
  margin: 0;
  text-align: center;

  background: $blue;
}

.rulesBody {
  position: relative;
  // z-index, чтобы положить :before ниже текста, но выше фона блока
  z-index: 0;

  padding: 20px;
  background: #fff;
  font-size: 14px;
}

%rulesTextFormat {
  line-height: 1.4;
  margin-bottom: 10px;
}

.blockDescription {
  @extend %rulesTextFormat;

  p {
    @extend %rulesTextFormat;
  }
}

.rulesList {
  padding: 0;
  margin: 0;
  padding-left: 20px;
}

.rulesItem {
  @extend %rulesTextFormat;

  list-style: decimal;
  position: relative;
  cursor: pointer;

  &:last-of-type {
    margin-bottom: 0;
  }

  &.target {
    &:before {
      cursor: default;
      $border: 8px solid #ddd8ce;
      content: '';
      position: absolute;
      top: -10px;
      left: -40px;
      width: calc(100% + 60px);
      height: calc(100% + 20px);
      background: $white;
      border-left: $border;
      border-right: $border;
      box-sizing: border-box;
      z-index: -1;
    }
  }

  a {
    color: #444;
    border-bottom-color: #aaa;

    &:hover {
      border-bottom-color: #444;
    }
  }
}

.footer {
  text-align: center;
  margin-bottom: 20px;
}