<div class="cards">
  <a class="cards__item card" href="">
      <div class="card__img">
        <img src="https://haniwaman.com/parts/wp-content/uploads/2018/02/cat.jpg">
      </div>
      <div class="card__body">
        <time class="card__time">2020.11.30</time>
        <h2 class="card__title">タイトル</h2>
        <div class="card__excerpt">抜粋が入ります。抜粋が入ります。抜粋が入ります。抜粋が入ります。</div>
      </div>
  </a>
    <a class="cards__item card" href="">
      <div class="card__img">
        <img src="https://haniwaman.com/parts/wp-content/uploads/2018/02/cat.jpg">
      </div>
      <div class="card__body">
        <time class="card__time">2020.11.30</time>
        <h2 class="card__title">タイトル</h2>
        <div class="card__excerpt">抜粋が入ります。抜粋が入ります。抜粋が入ります。抜粋が入ります。</div>
      </div>
  </a>
    <a class="cards__item card" href="">
      <div class="card__img">
        <img src="https://haniwaman.com/parts/wp-content/uploads/2018/02/cat.jpg">
      </div>
      <div class="card__body">
        <time class="card__time">2020.11.30</time>
        <h2 class="card__title">タイトル</h2>
        <div class="card__excerpt">抜粋が入ります。抜粋が入ります。抜粋が入ります。抜粋が入ります。</div>
      </div>
  </a>
    <a class="cards__item card" href="">
      <div class="card__img">
        <img src="https://haniwaman.com/parts/wp-content/uploads/2018/02/cat.jpg">
      </div>
      <div class="card__body">
        <time class="card__time">2020.11.30</time>
        <h2 class="card__title">タイトル</h2>
        <div class="card__excerpt">抜粋が入ります。抜粋が入ります。抜粋が入ります。抜粋が入ります。</div>
      </div>
  </a>
  <a class="cards__item card" href="">
    <div class="card__img">
      <img src="https://haniwaman.com/parts/wp-content/uploads/2018/02/cat.jpg">
    </div>
    <div class="card__body">
      <time class="card__time">2020.11.30</time>
      <h2 class="card__title">タイトル</h2>
      <div class="card__excerpt">抜粋が入ります。抜粋が入ります。抜粋が入ります。抜粋が入ります。</div>
    </div>
  </a>
    <a class="cards__item card" href="">
    <div class="card__img">
      <img src="https://haniwaman.com/parts/wp-content/uploads/2018/02/cat.jpg">
    </div>
    <div class="card__body">
      <time class="card__time">2020.11.30</time>
      <h2 class="card__title">タイトル</h2>
      <div class="card__excerpt">抜粋が入ります。抜粋が入ります。抜粋が入ります。抜粋が入ります。</div>
    </div>
  </a>
</div>

.card {
  display: inline-block;
  text-decoration: none;
  border: 1px solid #ddd;
  color: inherit;
  box-sizing: border-box;
}

.card__img {
  text-align: center;
}

.card__img img {
  vertical-align: bottom;
  max-width: 100%;
  height: auto;
}

.card__body {
  padding: 16px 12px;
}

.card__time {
  font-size: 13px;
  display: inline-block;
}

.card__title {
  font-size: 18px;
  font-weight: 700;
  margin-top: 4px;
}

.card__excerpt {
  font-size: 14px;
  margin-top: 4px;
  line-height: 1.6;
}

.cards {
  display: flex;
  flex-wrap: wrap;
}

.cards__item {
  width: calc(33.3% - 16px * 2 / 3);
  margin-top: 16px;
  margin-right: 16px;
}

.cards__item:nth-child(-n + 3) {
  margin-top: 0;
}

.cards__item:nth-child(3n) {
  margin-right: 0;
}