* {
  margin: 0;
  padding: 0;
  user-select: none;
}

body,
html {
  box-sizing: border-box;
  font: 16px "微软雅黑";
}

#box,
#concat {
  text-align: center;
  margin-top: 20px;
}

img {
  border: 1px solid #ccc;
  width: 200px;
  height: 200px;
}

button {
  display: block;
  width: 100px;
  height: 50px;
  text-align: center;
  font: 16px/50px "方正兰亭";
  color: #fff;
  background-color: #9ebff0;
  outline: 0;
  border: 1px solid rgb(186, 213, 238);
  cursor: pointer;
  margin: 0 auto;
  border-radius: 5px;
  letter-spacing: 2px;
}

button:hover {
  background-color: #4e99df;
  border-color: #9ebff0;
}

p {
  text-align: center;
}