<div class="container">
  <div class="element image">
    Lineare
  </div>
  <div class="element linear">
    Radiale
  </div>
  <div class="element radial">
    Striscie
  </div>
  <div class="element multi">
    Multiple
  </div>
</div>

.container {
  display: flex;
}

.element {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: sans-serif;
  font-weight: 700;
  height: 100px;
  width: 100px;
  margin-right: 1rem;
}

.image {
  background-image: url(https://images.unsplash.com/photo-1536500152107-01ab1422f932?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80);
  background-size: 200px;
  background-position: 50%;
}

.linear {
  background: linear-gradient(to top, #FFAE03, #ffe3a6);
}

.radial {
  background: radial-gradient(60% 50%, #ffae03, #ffe3a6);
}

.striscie {
  background: linear-gradient(#ffe3a6 50%, #ffae03 50%);
}

.multi {
    background:
       url(https://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Unsplash_wordmark_logo.svg/1280px-Unsplash_wordmark_logo.svg.png) bottom center / 100px no-repeat,
      url(https://images.unsplash.com/photo-1536500152107-01ab1422f932?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80) bottom center / 200px;
     
}