#img_home {
    max-width: 40px;
    position: absolute;
    left: 10px;
    top: 10px;
}

#div_title {
    background-color: var(--main-bg-color);
    width: 100%;
}

#img_title {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    height: auto;
}

ul li {
  margin: 5px;
}

@media only screen and (max-width: 670px) {
  #div_home {
    background-color: var(--main-bg-color);
    width: 100%;
 }

  #img_home {
    position: static;
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
    height: auto;
  }

  ul {
    padding: 0px;
  }
  ul li {
    margin: 5px;
    margin-left: 20px;
  }
}