body {
  font-family: "Nanum Gothic Coding", monospace;
  margin: 0;
  padding: 0;
  position: relative
}

.home-button.home-button{
  display: flex;
  position: fixed;
  right: 5px;
  bottom: 5px;
  justify-content: center;
  align-items: center;
  overflow: unset;

  height: 5px;
  width: 5px;

  box-shadow: none;
  border: #000 solid 2px;
  background-color: #00b4d8;
}

.home-button .content{
  display: none;
}

.home-button::after{
  display: block;
  width: 5px;
  height: 5px;
  content: '';
  box-sizing: border-box;
  border: 15px solid transparent;
  border-bottom: 20px solid #fff;
  transform: translateY(-9px);
}