body{
  font-family: "楷体";
  text-align: center;
}
.mybutton{
  font-family: "楷体";
  font-size: 2em;
  padding: 5px 25px;
  border-radius: 20px;
  cursor: pointer;
  transition:background-color 0.1s;
}
.mybutton:hover{
  background-color:rgb(45, 187, 226);
}
.mylabel{
  font-family: "楷体";
  font-size: 3em;
  border: 2px solid black;
}