html {
  font-family: sans-serif;
  line-height: 1.15;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
body {
  background: #fff
  margin: 0;
}
article,
aside,
footer,
header,
main,
nav,
section {
  display: block;
}
img {
  border-style: none;
  max-width: 100%;
}
.visuallyhidden {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px
}
.Main {
    box-sizing: border-box;
    width: 80%;
    text-align: center;
    margin: 2em auto 0 auto
}