* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  font-size: 20px;
}

.inner {
  width: 1440px;
  margin: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}

button {
  cursor: pointer;
}

input {
  border: none;
}

li {
  padding: 0;
  list-style: none;
}