<header class="header container">
  <a class="logo" href="">🌼</a>
  <a class="phone" href="">+7 111 000 11 22</a>
</header>

<section class="promo">
  <div class="promo-inner container">
    <h1>Компания Ромашка</h1>
    <p>Нашими ромашками можно украсить всё! </p>
  </div>
</section>

<section class="images">
  <h2>тут какой-то блок, например слайдер на всю ширину страницы</h2>
</section>

<section class="text-block container">
  <h2>и блок и фон на ширину только на ширину контента</h2>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Recusandae, error, labore. Neque eligendi iste reiciendis molestiae, libero, adipisci eius, error, dignissimos provident quod in maxime accusantium exercitationem accusamus vitae beatae rerum sapiente aut debitis voluptas maiores. Doloribus eum, quia magnam eos saepe illum, molestiae dicta eveniet praesentium. Error maiores veniam, praesentium quis quas voluptate corrupti qui obcaecati rem id blanditiis excepturi, ratione ad sapiente animi, quia facere laboriosam repellat eligendi.</p>
</section>

<section class="news">
  <div class="container">
    <h2>фон на всю ширину, а контент центрируется</h2>
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Magni porro beatae assumenda officia inventore culpa ea, unde enim, dignissimos placeat veritatis voluptates. Harum totam distinctio ipsum, sapiente perspiciatis nesciunt nam tempore repellat inventore laborum sed vitae beatae aperiam autem earum, officia, debitis quos nisi optio modi! Eius neque molestias vero, repellendus culpa voluptate incidunt voluptatibus veniam quaerat? Doloremque asperiores magnam hic nulla dicta vitae consectetur, ea, voluptas similique aliquid ab.</p>
  </div>
</section>

<footer class="footer container">
  <h2>футер - фона нет, контент ограничен</h2>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Explicabo eveniet odio hic pariatur atque, voluptatum voluptatibus optio obcaecati nam perspiciatis suscipit est praesentium eius. Facilis.</p>
</footer>

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.container {
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section {
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.header {
  display: flex;
  justify-content: space-between;
  padding: 30px 0;
  font-size: 30px;
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.logo {
  text-decoration: none;
}

.phone {
  font-weight: bold;
  color: inherit;
  text-decoration: none;
}

.promo {
  min-height: 300px;
  font-size: 1.5em;
  background: url(https://sitist.ru/userfiles/image/info/chamomile.jpg) no-repeat bottom center / cover;
  color: #fff;
}

.images {
  background: #A4E5E8;
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.text-block {
  background: #ff0;
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.news {
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