<div class="menu-toggle"> <i class="fa fa-bars" aria-hidden="true"></i> </div>
<div class="main-menu">
    <div class="top-close-menu"><i class="fa fa-times" aria-hidden="true"></i></div>
    <ul>
        <li><a href="index.html">Home</a></li>
        <li><a href="about.html">About Us</a></li>
        <li><a href="#">Products</a>
            <ul>
                <li><a href="#">Exfoliating</a></li>
                <li><a href="#">Bright Skin Whitening</a></li>
                <li><a href="#">Gentle Skin Aloe Vera</a></li>
                <li><a href="#">Firm Skin Chocolate</a></li>
                <li><a href="#">Young Skin Gold</a></li>
                <li><a href="#">Pink Glow Diamond</a></li>
                <li><a href="#">Shiny Skin Polishing</a></li>
                <li><a href="#">Clear Skin Acne</a></li>
            </ul>
        </li>
        <li><a href="#">Become an Agent</a></li>
        <li><a href="blog.html">Blog</a></li>
        <li><a href="#">Customers Reviews</a></li>
        <li><a href="contact.html">Contact Us</a></li>
    </ul>
</div>
<div class="overlay-main"></div>
	.main-menu ul li {
    width: 100%;
    border: none;
    position: relative;
	}
	
	
	
	.main-menu ul ul {
	    width: 100%;
	    position: relative;
	    box-shadow: none;
	    background: #7f7f7f;
	    float: left;
    display: none;
	}
	
	.menu-toggle {
	    display: block;
	}
	
	.menu-toggle {
    text-align: center;
    color: #fff;
    font-size: 25px;
    line-height: 39px;
	    position: absolute;
	    height: 40px;
	    width: 40px;
	    top: 0px;
	    right: 0px;
	    background-size: 70%;
	    background-color: #005031;
	    background-position: center;
	    background-repeat: no-repeat;
	    z-index: 99;
    
	}
	
	.main-menu {
	    position: fixed;
	    left: -400px;
	    overflow: auto;
	    -webkit-transition: all 0.3s;
	    -moz-transition: all 0.3s;
	    transition: all 0.3s;
	    right: 0;
	    height: 100%;
	    max-width: 300px;
	    z-index: 999;
	    bottom: 0;
	    padding-top: 20px;
	    top: 0;
	    background-color: #005031;
	}
	
	.main-menu.active {
	    left: 0%;
	}
	
	.main-menu ul li a {
	    font-size: 14px;
	    text-decoration: none;
	    color: #fff;
	    display: block;
	    padding: 8px 20px;
	    border-bottom: 1px solid rgba(45, 45, 45, 0.2);
	}
	
	.main-menu .sub-menu li a {
	    font-size: 14px;
	}
	
	body.menu-change {
	    overflow: hidden;
	}
	
	.overlay-main {
	    background-color: #000000c2;
	    position: absolute;
	    visibility: hidden;
	    opacity: 0;
	    top: 0;
	    left: 0;
	    right: 0;
	    bottom: 0;
	    -webkit-transition: all 0.3s;
	    -moz-transition: all 0.3s;
	    transition: all 0.3s;
	    z-index: 99;
	}
	
	.overlay-main.active {
	    visibility: visible;
	    opacity: 1;
	}
	
	.top-close-menu {
	   text-align: center;
    line-height: 38px;
	    position: absolute;
	    top: 0;
	    z-index: 3;
	    right: 0;
	    width: 35px;
	    height: 35px;
	    background-color: #111;
	    background-size: 12px;
	    background-repeat: no-repeat;
	    background-position: center;
        color: #fff;
	}
.main-menu.active {
    left: 0%;
}


.main-menu ul li {
    width: 100%;
    border: none;
    position: relative;
}
.main-menu ul li a {
    font-size: 14px;
    text-decoration: none;
    color: #fff;
    display: block;
    padding: 8px 20px;
    border-bottom: 1px solid rgba(45, 45, 45,0.2);
}

.main-menu .sub {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 25px;
    height: 25px;
    background-color: #111;
      color: #fff;
    font-size: 16px;
    text-align: center;
    line-height: 27px;
}

.main-menu ul{
  padding:0;
  margin:0;
}
// mobile Slide menu jquery
jQuery(".menu-toggle").click(function(){
	jQuery(".main-menu").toggleClass("active");
	jQuery("body").toggleClass("menu-change");
	jQuery(".overlay-main").toggleClass("active");
});
jQuery(".overlay-main").click(function(){
	jQuery(".main-menu").removeClass("active");
	jQuery("body").removeClass("menu-change");
	jQuery(".overlay-main").removeClass("active");
});
jQuery(".top-close-menu").click(function(){
	jQuery(".main-menu").removeClass("active");
	jQuery("body").removeClass("menu-change");
	jQuery(".overlay-main").removeClass("active");
});

// mobile menu jquery

jQuery('.main-menu ul li').each(function(){
	jQuery(this).children('ul').before('<span class="sub"><i class="fa fa-angle-down" aria-hidden="true"></i></span>');    
});
jQuery('.main-menu ul li .sub').click(function(e) {
	jQuery(this).next('ul').slideToggle();

	jQuery(this).toggleClass('submenu-hide');

}); 
Run Pen

External CSS

  1. https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js