.ground {
  position: fixed;
  align-items: center;
  margin-top: 100px;
  width: 800px;
  height: 500px;
  z-index: 999999;
  display: flex;
  flex-direction: column;
}
.textBox {
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  font-weight: bold;
  font-size: 130%;
  cursor: pointer;
  line-height: 100px;
}
.groundheader {
  width: 600px;
  height: 100px;
  color: white;
  border-radius: 20px;
  margin-top: 110px;
  text-align: center;
  background-image: url();
  background-repeat: no-repeat;
  background-size: 100%;
  text-decoration: none; /*밑줄*/
}
.groundbody {
  background-color: white;
  width: 600px;
  height: 100px;
  color: black;
  border-radius: 20px;
  margin-top: 80px;
  line-height: 100px;
  cursor: pointer;
  text-align: center;
  font-weight: bold;
  font-size: 130%;
}