Адаптивный дизайн "Footer" внизу сайта HTML

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css"/>

<footer>
  <div class="alining-urniture">
  <div class="maximum">
  <div class="agelokas-mdeladan">
  <i class="fab fa-slack"></i>
  <span class="details-melochi">ZorNet.Ru</span>
  </div>
  <div class="gedianed-ikonki">
  <a href="#"><i class="fab fa-facebook-f"></i></a>
  <a href="#"><i class="fab fa-twitter"></i></a>
  <a href="#"><i class="fab fa-instagram"></i></a>
  <a href="#"><i class="fab fa-linkedin-in"></i></a>
  <a href="#"><i class="fab fa-youtube"></i></a>
  </div>
  </div>
  <div class="konkipo-lyasylok">
  <ul class="box">
  <li class="povalae-elementa">Категории</li>
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  <li><a href="#">Скачать</a></li>
  </ul>
  <ul class="box">
  <li class="povalae-elementa">Скачать</li>
  <li><a href="#">Шаблоны</a></li>
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  <li><a href="#">Логотип</a></li>
  <li><a href="#">Стилистика</a></li>
  </ul>
  <ul class="box">
  <li class="povalae-elementa">Тематика</li>
  <li><a href="#">Софт</a></li>
  <li><a href="#">Фильмы</a></li>
  <li><a href="#">Гаджеты</a></li>
  <li><a href="#">Игровая</a></li>
  </ul>
  <ul class="box">
  <li class="povalae-elementa">Элементы</li>
  <li><a href="#">HTML & CSS</a></li>
  <li><a href="#">JavaScript</a></li>
  <li><a href="#">Photography</a></li>
  <li><a href="#">Photoshop</a></li>
  </ul>
  <ul class="box input-box">
  <li class="povalae-elementa">Подписаться</li>
  <li><input type="text" placeholder="Адрес электронной почты email"></li>
  <li><input type="button" value="Подписаться"></li>
  </ul>
  </div>
  </div>
  <div class="kapasem-ulaspedun">
  <div class="dizayne-tekstova">
  <span class="copyright_text">Copyright © 2021 <a href="#">Лаборатория кодирования.</a>Все права защищены-</span>
  <span class="vedsadu-lopamun">
  <a href="#">Условия</a>
  <a href="#">Положения</a>
  </span>
  </div>
  </div>
  </footer>

footer{
  position: fixed;
  background: #1c1744;
  width: 100%;
  bottom: 0;
  left: 0;
}
footer::before{
  content: '';
  position: absolute;
  left: 0;
  top: 100px;
  height: 1px;
  width: 100%;
  background: #AFAFB6;
}
footer .alining-urniture{
  max-width: 1246px;
  margin: auto;
  padding: 28px 38px 38px 38px;
}
footer .alining-urniture .maximum{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 50px;
}
.alining-urniture .maximum .agelokas-mdeladan{
  color: #f9f8f8;
  font-size: 30px;
}
.alining-urniture .maximum .gedianed-ikonki{
  display: flex;
}
.alining-urniture .maximum .gedianed-ikonki a{
height: 40px;
  width: 40px;
  margin: 0 8px;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  color: #f9f8f8;
  font-size: 17px;
  text-decoration: none;
  transition: all 0.4s ease;
}
.maximum .gedianed-ikonki a:nth-child(1){
  background: #4267B2;
}
.maximum .gedianed-ikonki a:nth-child(1):hover{
  color: #4267B2;
  background: #f9f8f8;
}
.maximum .gedianed-ikonki a:nth-child(2){
  background: #1DA1F2;
}
.maximum .gedianed-ikonki a:nth-child(2):hover{
  color: #1DA1F2;
  background: #f9f8f8;
}
.maximum .gedianed-ikonki a:nth-child(3){
  background: #E1306C;
}
.maximum .gedianed-ikonki a:nth-child(3):hover{
  color: #E1306C;
  background: #f9f8f8;
}
.maximum .gedianed-ikonki a:nth-child(4){
  background: #0077B5;
}
.maximum .gedianed-ikonki a:nth-child(4):hover{
  color: #0077B5;
  background: #f9f8f8;
}
.maximum .gedianed-ikonki a:nth-child(5){
  background: #FF0000;
}
.maximum .gedianed-ikonki a:nth-child(5):hover{
  color: #FF0000;
  background: #f9f8f8;
}
footer .alining-urniture .konkipo-lyasylok{
  width: 100%;
  display: flex;
  justify-content: space-between;
}
footer .alining-urniture .konkipo-lyasylok .box{
  width: calc(100% / 5 - 10px);
}
.alining-urniture .konkipo-lyasylok .box .povalae-elementa{
  color: #f9f8f8;
  font-size: 18px;
  font-weight: 400;
  margin-bottom: 10px;
  position: relative;
}
.konkipo-lyasylok .box .povalae-elementa::before{
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 35px;
  background: #f9f8f8;
}
.alining-urniture .konkipo-lyasylok .box li{
  margin: 6px 0;
  list-style: none;
}
.alining-urniture .konkipo-lyasylok .box li a{
  color: #fff;
  font-size: 14px;
  font-weight: 400;
  text-decoration: none;
  opacity: 0.8;
  transition: all 0.4s ease;
}
.alining-urniture .konkipo-lyasylok .box li a:hover{
  opacity: 1;
  text-decoration: underline;
}
.alining-urniture .konkipo-lyasylok .input-box{
  margin-right: 55px;
}
.konkipo-lyasylok .input-box input{
  height: 38px;
  width: calc(100% + 55px);
  outline: none;
  border: 2px solid #d1d1dc;
  background: #2c2948;
  border-radius: 4px;
  padding: 0 15px;
  font-size: 15px;
  color: #f9f8f8;
  margin-top: 5px;
}
.konkipo-lyasylok .input-box input::placeholder{
color: #AFAFB6;
  font-size: 16px;
}
.konkipo-lyasylok .input-box input[type="button"]{
background: #efefef;
  color: #6b6b6b;
  border: none;
  font-size: 18px;
  font-weight: 500;
  margin: 4px 0;
  opacity: 0.8;
  cursor: pointer;
  transition: all 0.4s ease;
}
.input-box input[type="button"]:hover{
  opacity: 1;
}
footer .kapasem-ulaspedun{
  width: 100%;
  background: #181433;
}
footer .kapasem-ulaspedun .dizayne-tekstova{
  max-width: 1250px;
  margin: auto;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
}
.kapasem-ulaspedun .dizayne-tekstova span,
.kapasem-ulaspedun .dizayne-tekstova a{
  font-size: 14px;
  font-weight: 300;
  color: #fff;
  opacity: 0.8;
  text-decoration: none;
}
.kapasem-ulaspedun .dizayne-tekstova a:hover{
  opacity: 1;
  text-decoration: underline;
}
.kapasem-ulaspedun .dizayne-tekstova a{
  margin-right: 10px;
}
@media (max-width: 900px) {
  footer .alining-urniture .konkipo-lyasylok{
  flex-wrap: wrap;
  }
  footer .alining-urniture .konkipo-lyasylok .input-box{
  width: 40%;
  margin-top: 10px;
  }
}
@media (max-width: 700px){
  footer{
  position: relative;
  }
  .alining-urniture .maximum .agelokas-mdeladan{
  font-size: 26px;
  }
  .alining-urniture .maximum .gedianed-ikonki a{
  height: 35px;
  width: 35px;
  font-size: 14px;
  line-height: 35px;
  }
  footer .alining-urniture .konkipo-lyasylok .box{
  width: calc(100% / 3 - 10px);
  }
  footer .alining-urniture .konkipo-lyasylok .input-box{
  width: 60%;
  }
  .kapasem-ulaspedun .dizayne-tekstova span,
  .kapasem-ulaspedun .dizayne-tekstova a{
  font-size: 12px;
  }
}
@media (max-width: 520px){
  footer::before{
  top: 145px;
  }
  footer .alining-urniture .maximum{
  flex-direction: column;
  }
  .alining-urniture .maximum .gedianed-ikonki{
  margin-top: 16px;
  }
  footer .alining-urniture .konkipo-lyasylok .box{
  width: calc(100% / 2 - 10px);
  }
  footer .alining-urniture .konkipo-lyasylok .input-box{
  width: 100%;
  }
}