form, input, h1, h2, h3, h4, h5, h6, ul, li, p, span, div, img{list-style:none;margin:0;padding:0;outline:0;}
.container:before,
.container:after {
  display: table;
  line-height: 0;
  content: "";
}
.container:after {
  clear: both;
}