body{background-color:orange}

#Main_Control{}

ul{list-style-type: none; 
    border: 0;
    margin: 0; 
    padding:0; 
    overflow: hidden; 
    background-color: #77b83a; 
    position: sticky; top:0; width: 100%, height 20%;

}

li{float: left; border-right: 1px solid #333;}

li:first-child{border-right: none;}

li:last-child{border-right: none;}

li a{display: block; color:white; padding: 10px 20px; text-align: right;}

li a:hover {background-color: #333;}

.active{}

#Menu{}

#Content{}