* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.w {
  width: 1400px;
  margin: 0 auto;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  cursor: pointer;
}

img {
  object-fit: fill;
}

body {
  height: 100%;
  background: url(../images/body_bg.png) no-repeat;
  background-size: 100% 100%;
}