<div class="container">
  <div class="img_1"></div>
  <div class="img_2"></div>
  <div class="img_3"></div>
</div>

.container {
  display: flex;
  align-items: baseline;
  justify-content: space-around;
  width: 1000px;
}

.img_1 {
  height: 200px;
  width: 200px;
  background-image: url(https://cdnimg.rg.ru/img/content/181/86/29/bely_d_850.jpg);
  background-size: cover;
}
.img_2 {
  height: 200px;
  width: 200px;
  background-image: url(https://disgustingmen.com/wp-content/uploads/2019/05/viking-cats-1.jpg);
    background-size: cover;
}
.img_3 {
  height: 200px;
  width: 200px;
  background-image: url(https://s3.eu-central-1.amazonaws.com/img.hromadske.ua/posts/177819/img5937jpg/medium.jpg);
  background-size: cover;
}