body {
  font-family: "knowledge2017", tahoma, serif;
  margin-left: 0;
  margin-right: 0;
  font-size:1em;
  line-height:1.5;
}

h1 {
color : #4a4a4a;
font-size:1.9em;
}

a {
text-decoration : none;
color: #ff9300;
transition:all 0.4s ease-in-out;
}

p {
color:#4a4a4a;
}

.header{
    background: #323232;
    color: #fff;
    width: 100%;
    min-height:3em;
    z-index:999;
    position:fixed;
    top:0;
    left:0;
}

.body{
  padding-top:4em;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

.prelim {
    padding-bottom:1em;
    color:#8f8f8f;
    font-size:1.2em;
    font-weight:400;
}