header{float:right;}
nav{float:left;}

nav .middle{
vertical-align:middle;
float: right;
}

nav>.middle>ul{
border-left-style: none;
border-left-width: none;
border-left-color: none;
border-right-style: solid;
border-right-width: 1px;
padding-left: 0;
padding-right: 20px;
float: right;
}