.gallery {
  position: absolute;
  width: 1200px;
  left: 300px;
  background-color: #FFFAF0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

  .gallery__photo-full {
    margin-bottom: 12px;
  }

  .gallery__photo-full img {
    display: block;
  }

  .gallery__photo-previews {
    display: flex;
    list-style-type: none;
    margin: 0;
    width: 550px;
    padding: 0;
    justify-content: space-between;
  }

  .gallery__photo-preview {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
  }

  .gallery__photo-preview:hover,
  .gallery__photo-preview:focus {
    opacity: 0.7;
  }

  .gallery__photo-preview img {
    display: block;
    
    width: 100px;
    height: 100px;
  }

  .gallery__photo-preview--active img {
    outline: 5px solid red;
    outline-offset: -5px;
  }

.foot{
  width =1000px;
  height =900px;
}

.p{
  margin-left: 50px;
  margin-right: 20px;
  font-size: 30px;
  font-family: sans-serif;
}
h1{
  font-size: 50px;
}
h2{
  font-size: 40px;
}

<div class="field">
  <button name="write" class="j-submit-report" onclick="window.location.href='innddex2.html'" width="50" height="50">Несколько фактов о машинах</button>
</div>