body {
  margin: 5% 10%;
  font-size: 15px;
  font-family: "Open Sans", Arial, sans-serif;
  line-height: 1.6;
  font-weight: 400;}

h1, h2, h3, h4, h5, h6 {
  margin-top: 20px;
  margin-bottom: 20px;
  font-weight: 400; }

h1 { font-size: 40px; line-height: 1.2;  letter-spacing: -1px;}
h2 { font-size: 30px; line-height: 1.3; letter-spacing: -1px; }
h3 { font-size: 22px; line-height: 1.35;  letter-spacing: -1px; }
h4 { font-size: 20px; line-height: 1.4; letter-spacing: -.8px; }
h5 { font-size: 17px; line-height: 1.5;  letter-spacing: -.5px; }
h6 { font-size: 15px; line-height: 1.6;  letter-spacing: 0px; }