* {
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  background: -webkit-linear-gradient(top, #fff, #e4e4e4);
}

body {
  font-family: 'Helvetica Neue', 'Arial', 'PingFang SC', 'Hiragino Sans GB', 'STHeiti', 'Microsoft YaHei', 'WenQuanYi Micro Hei', sans-serif;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-content: center;
}

.row {
  display: flex;
  margin-top: 24px;
  flex-basis: 100%;
  justify-content: center;
}

.button {
  font-size: 24px;
  display: inline-flex;
  width: 196px;
  height: 80px;
  transition: .7s linear;
  text-decoration: none;
  color: #9e9e9e;
  border: 1px solid #ccc;
  border-radius: 4px;
  justify-content: center;
  align-items: center;
}

.button:hover {
  color: #8e8e8e;
  border: 1px solid #bbb;
  box-shadow: 1px 1px 10px #9e9e9e;
}

a {
  cursor: pointer;
}

ul {
  list-style-type: none;
}

li {
  display: inline-block;
  padding: 5px;
  border: 2px solid #ccc;
  border-radius: 3px;
  background: #ccc;
}

li a {
  text-decoration: none;
  color: #000;
}