@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,600,700);

$font: "Open Sans", sans-serif;



* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  &:before,
  &:after {
    box-sizing: inherit;
  }
}
body {
  width: 600px;
  margin: 50px auto;
  font-family: $font;
  font-size: 14px;
}
#skill {
  width: 100%;
  background-color: #e3e3e3;
  padding: 30px;
  display: block;
  border-radius: 5px;
  margin: auto;
}