.primary {
margin: 50px 0 0 0;
}
.primary:after {
content: "";
display: table;
clear: both;
}
#navbar-links > ul > li:nth-child(2) {
display:none;
}

#ext-install-button { 
top: 250px; 
left: 58px; 
position: absolute; 
width: 200px; 
height: 35px; 
background-color: #2d62ee; 
font-size: 20px; 
font-weight: bold; 
}