.page {
  padding: 30px;
  display: flex;
  flex-direction: column;
  /* background-color: white; */
}

.column {
  flex-direction: column;
}

.row {
  flex-direction: row;
}

.title {
  font-weight: bold;
  margin-bottom: 10px;
  margin-top: 20px;
  font-size: 20px;

}

.link {
  color: #0099ff;
  text-decoration: underline;
}

.link-ing {
  color: gray;
}

.back {
  font-size: 18px;
  color: #0099ff;
  text-decoration: underline;
}

.bug {
  color: #DD4731;
}

.gray {
  color:gray;
}

.box {
  width: 200px;
  height: 80px;
  margin-bottom: 10px;
  background-color: purple;
}

.group {
  margin-bottom: 15px;
}

.label {
  margin-top: 10px;
}

.border {
  border: 1px solid purple;
}

.tips {
  padding: 5px;
  background-color: rgb(240, 228, 204);
  color: rgb(230, 151, 4);
  border-radius: 5px;
  margin-top: 5px;
  margin-bottom: 5px;
}

.code {
  background-color: #f0f0f0;
  border-radius: 5px;
  border: 1px solid lightgray;
  padding: 2px 4px;
  font-size: 14px;
}

.btn {
  height: 60px;
  text-align: center;
  border-radius: 5px;
  margin-right: 60px;
  margin-left: 60px;
  margin-bottom: 30px;
  color: #ffffff;
  font-size: 20px;
  background-color: #0faeff;
}