nav ul{
     padding: 0px;
     margin: 0px;
     list-style-type:none;
     background-color:#000000;
}
nav li{
      display:inline-block;
      width:100;
      height:50px;
      margin:0px;
      padding:0px;
      border-right:0.01px solid #7f8082 ;
      text-align:center;
      line-height:50px;
}
nav li :hover{
      background-color:#8c8d8f;

}

nav li a{
      display:block;
       text-decoration:none;
       color:#ffffff;
font-family: Arial, Helvetica, sans-serif; 
font-size: 17px;
}