#mainnav li a
{
margin-left: 5px;
margin-right: 5px;
}
nav li +li:before
{
    content: "";
    border-left:1px solid  #1c2f2f;
    border-right:1px solid #426f6f;

}
#rightnav li ul
{
 background:#2F4F4F;
 position: absolute;
 margin-top:23px;
 width:90px;
 height:auto;
 display:table-column;
}
#rightnav li ul li
{
 width:90px;
display:table;
vertical-align:middle;
}
#callback{background:#2F4F4F;width:200px;margin:auto;color:lavender;text-decoration: none;}
#callback input{width:180px;}

aside{width:300px;display:table-cell;}
#main{display:table-cell;margin:auto;width:auto;height:100%}
#left{margin-left:0px;margin-right:auto}
#right{margin-left:auto;margin-right:0px}
#mainmiddle{width:100%;display:table;}