更改移动设备中项目的位置

Question

我正在与Media Queries（媒体查询）一起使用，并尝试将一项（社交图标）移至移动设备的底部。在桌面设备上排名第一，在移动设备上排名最低。还需要在两个设备中连续显示它。

我尝试了相对/绝对位置。绝对而言，div消失了。也尝试过反向，但我无法使其正常工作。

很抱歉，有很多代码。

请帮助学生:)

/* Footer */

.grid_medium {
  margin-bottom: 30px;
}

.grid_medium_footer {
  margin: 0 auto;
  margin-left: 40px;
  margin-right: 40px;
}

#footer {
  border-top: solid 1px #e6e6e6;
  padding-top: 50px;
}

.footer_logo {
  width: 190px;
  height: 60px;
  background-position: -8px -10px;
  margin-bottom: 80px;
}

.footer_columns {
  display: block;
  margin-left: 20px;
  margin-right: 20px;
}

.footer_columns .column {
  display: inline-block;
  border-bottom: 1px solid #e6e6e6;
  font-weight: 600;
  width: 100%;
  float: left;
}

.footer_columns .column:last-child {
  border: none;
}

.footer_columns .plus {
  display: inline-block;
  float: right;
  margin-top: 10px;
  font-size: 30px;
}

.footer_columns .title {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.025em;
  margin-top: 15px;
  margin-bottom: 25px;
  font-weight: 600;
  float: left;
}

.footer_columns ul {
  -webkit-column-count: 2;
  -moz-column-count: 2;
  column-count: 2;
  font-size: 12px;
  list-style: none;
  margin: 0px;
  display: none;
}

.footer_columns ul li {
  margin-bottom: 10px;
}

.footer_columns a {
  color: #000000;
  font-size: 18px;
  letter-spacing: 0.025em;
  border-bottom: solid 1px #04fbc7;
  s
}

.footer_contact {
  background-color: #f8f8f8;
  bottom: 0;
  width: 100%;
  padding-top: 30px;
  padding-bottom: 30px;
  font-size: 18px;
  line-height: 28px;
}

.footer_contact table {
  border: none;
}

.footer_contact th,
td {
  border: none;
  line-height: 16px;
}

ul.footer_contact_text {
  margin: 0;
  list-style: none;
}

.menu {
  margin: 0;
  list-style: none;
}

ul.footer_contact_text li {
  display: inline-block;
  padding-right: 20px;
  border-right: 2px solid #cdcdcd;
  line-height: 15px;
}

ul.footer_contact_text li:last-child {
  border-style: none;
  border-bottom: solid 1px #04fbc7;
  margin-right: 0px;
}

.footer_contact .social_icons {
  float: left;
}

.footer_contact ul.social_icons li {
  float: left;
  list-style: none;
  margin-right: 30px;
}

.footer_contact ul.social_icons li a {
  text-indent: -99999px;
  overflow: hidden;
  position: relative;
  display: inline-block;
  width: 35px;
  height: 35px;
  ;
  background-position: -16px -729px;
}

.footer_contact ul.social_icons li a.social_facebook {
  background-position: -72px -728px;
}

.footer_contact ul.social_icons li a.social_twitter {
  background-position: -166px -730px;
}

.footer_contact ul.social_icons li a.social_linkedin {
  background-position: -117px -729px;
}

.footer_contact ul.social_icons li a.social_instagram {
  background-position: -16px -728px;
}

.footer_contact a {
  color: #3c273a;
  text-decoration: none;
}

<div class="footer_contact">
  <div class="grid_medium_footer">

    <div class="footer_icons">


      <ul class="social_icons">
        <li><a href="#" class="social_instagram bgimgsprite">Instragram</a></li>
        <li><a href="#" class="social_facebook bgimgsprite">Facebook</a></li>
        <li><a href="#" class="social_linkedin bgimgsprite">Linkedin</a></li>
        <li><a href="#" class="social_twitter bgimgsprite">Twitter</a></li>
      </ul>
    </div>
    <div class="fixfloat"></div>


    <!--  Kontakt uppgifter statiska -->
    <ul class="footer_contact_text">
      <li>
        <?php echo (get_option('inst_namn')); ?>
      </li>
      <li>
        <?php echo (get_option('inst_sidfot_gata')); ?>
      </li>
      <li>
        <?php echo (get_option('inst_postnr')); ?>
      </li>
      <li>
        <?php echo (get_option('inst_epost')); ?>
      </li>
    </ul><br>

    <table>
      <tr>
        <th>
          <?php echo (get_option('inst_orgnr')); ?>
        </th>
      </tr>
      <tr>
    </table>


  </div>
  <!-- grid_medium_footer -->
</div>
<!--footer_contact -->