@media (max-width: 800px) {
  
  header {
    left: 0;
    width: 100%;
    margin-left: 0;
  }

  .logopage {
    text-align: left;
    top: 0;
    margin-left:15px;
  }

  .logopage img {
    max-width: 75%;
    height: auto;
  }

  header {
    margin-bottom: 55px;
  }

  .trescstrony {
    padding-top: 10px;
  }

}