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

body, html {
  margin: 0;
  padding: 0;
  height: 100%; }

img {
  width: 100%; }

.container {
  margin: auto;
  padding-top: 80px;
  padding-bottom: 80px; }