Home
  
News
  
Contact
  
About
 

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

li a {
    display: block;
    width: 60px;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 60px;
}

li a {
    display: block;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
}

li a {
    display: block;
    color: #000;
    padding: 8px 16px;
    text-decoration: none;
}

/* Change the link color on hover */
li a:hover {
    background-color: #555;
    color: white;
}

.active {
    background-color: #4CAF50;
    color: white;
}

ul {
    border: 1px solid #555;
}

li {
    text-align: center;
    border-bottom: 1px solid #555;
}

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

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 25%;
    background-color: #f1f1f1;
    height: 100%; /* Full height */
    position: fixed; /* Make it stick, even on scroll */
    overflow: auto; /* Enable scrolling if the sidenav has too much content */
}

li {
    display: inline;
}

li {
    float: left;
}

a {
    display: block;
    padding: 8px;
    background-color: #dddddd;
}

ul {
    background-color: #dddddd;
}

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

li {
    float: left;
}

li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

/* رنگ را در hover به  #111 تغییر دهید */
li a:hover {
    background-color: #111;
}

.active {
    background-color: #4CAF50;
}

 <ul>
  <li><a href="#home">Home</a></li>
  <li><a href="#news">News</a></li>
  <li><a href="#contact">Contact</a></li>
  <li style="float:right"><a class="active" href="#about">About</a></li>
</ul>

 /* یک خط حاشیه چپ خاکستری به همه آیتم های لیست اضافه کنید بجز آخرین آیتم (یا زیر آیتم) */
li {
    border-right: 1px solid #bbb;
}

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

ul {
    position: fixed;
    top: 0;
    width: 100%;
}

ul {
    position: fixed;
    bottom: 0;
    width: 100%;
}

ul {
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
}

li a {
    color: #666;
}

@media screen and (max-width: 600px){
    ul.topnav li.right, 
    ul.topnav li {float: none;}
}

@media screen and (max-width: 1050px){
    ul.sidenav {
        width:100%;
        height:auto;
        position:relative;
    }
    ul.sidenav li a {
        float: right;
        padding: 15px;
    }
    div.content {margin-left:0;}
}

@media screen and (max-width: 400px){
    ul.sidenav li a {
        text-align: center;
        float: none;
    }

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

li {
    float: right;
}

li a, .dropbtn {
    display: inline-block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
    background-color: red;
}

li.dropdown {
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: right;
}

.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
    display: block;
}