JSFiddle - React, Tailwind, and code Playground

HTML

<div class="footer-row">
  <div class="footer-column">컬럼1</div>
  <div class="footer-column">컬럼2</div>
  <div class="footer-column">컬럼3</div>
  <div class="footer-column">컬럼4</div>
</div>

CSS

.footer-column {
  float: left;
  width: 25%;
}

/* Clear floats after the columns */
.footer-row:after {
  content: "";
  display: table;
  clear: both;
}

/* 배너를 고정시킴 */
.footer-row {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: red;
  color: white;
  text-align: center;
}