<div class="card">
  <div class="card__date"><span class="card__day">25</span> april</div>
  <picture class="card__picture">
    <img class="card__image" src="https://unsplash.it/1000/300" alt="">
  </picture>
  <div class="card__info">
    <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consequatur sequi enim quia, voluptatibus laborum atque magnam sapiente sint expedita quas! Similique aspernatur quod optio quasi ducimus tempora commodi, maxime vel!</p>
    <button class="card__btn">+</button>
  </div>
</div>

*, *::before, *::after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.card {
  display: flex;
  flex-wrap: wrap;
}
.card__date {
  order: 1;
  background-color: yellow;
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.card__day {
  font-size: 30px;
}
.card__info {
  order: -1;
  position: relative;
  padding: 20px;
}
.card__btn {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: none;
  border: 0;
  font-size: 30px;
}
.card__image {
  object-fit: cover;
  display: block;
}
.card__picture {
  overflow: hidden;
  display: flex;
  justify-content: center;
}
.card__picture,
.card__info {
  flex-grow: 1;
  flex-basis: 50%;
  flex-shrink: 0;
  background-color: orange;
}