Jumbotron problems


#1

could someone plz help me find the error... i cant figure out whats wrong. thanks!

.nav a {
  color: #5a5a5a;
  font-size: 11px;
  font-weight: bold;
  padding: 14px 10px;
  text-transform: uppercase;
}
.nav li {
    display: inline;
}
.jumbotron {
  background-image:url('http://goo.gl/04j7Nn');
  height: 500px;
}

.jumbotron h1 {
  color: #fff;
  font-size: 48px;  
  font-family: 'Shift', sans-serif;
  font-weight: bold;
}
.jumbotron p {
  font-size: 20px;
  color: #fff;
}
.learn-more {
  background-color: #f7f7f7;
}
.learn-more h3 {
  font-family: 'Shift', sans-serif;
  font-size: 18px;
  font-weight: bold;
}
.learn-more a {
  color: #00b0ff;
}
.jumbotron .container {
    position= relative;
    top= 100px;
}

#2

The problem is in these two lines:

    position= relative;
    top= 100px;

CSS doesn't use = to assign values.