* {
  padding: 0;
  margin: 0;
}
html,
body {
  width: 100%;
  height: 100%;
}
.box {
  text-align: center;
}
.box > div {
  margin: 15px;
}
.box > div:first-child {
  margin-top: 30px;
}
.box > div:last-child {
  margin-bottom: 30px;
}
.box button {
  margin: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #fff;
  font-size: 12px;
}
.box button:hover {
  background: #dddddd;
  cursor: pointer;
}