HTML And HTML 5

To most webmasters, the term CSS horizontal drop down menu is self explanatory. But, for those whom are a bit less experienced, it is simply a horizontal drop down menu created by way of SCSS code, rather than hard-coding it into html, or using a scripting language, such as JavaScript. The drop down menu part refers to the way a sub-menu item “drops down” from its parent menu item. In tutorial you are able how to create submenu

HTML

<nav class="navbar">
  <div class="logo"><img src="http://viewtechindia.com/wp-content/uploads/2019/10/final-logo.png" alt="LOGO"></div>
  <div class="push-left">
    <button id="menu-toggler" data-class="menu-active" class="hamburger">
      <span class="hamburger-line hamburger-line-top"></span>
      <span class="hamburger-line hamburger-line-middle"></span>
      <span class="hamburger-line hamburger-line-bottom"></span>
    </button>    
    <ul id="primary-menu" class="menu nav-menu">
      <li class="menu-item current-menu-item"><a class="nav__link"  href="#">Home</a></li>
      <li class="menu-item dropdown"><a class="nav__link"  href="#">About</a>
         <ul class="sub-nav" >
          <li><a class="sub-nav__link" href="#">link 1</a></li>
          <li><a class="sub-nav__link" href="#">link 2</a></li>
          <li><a class="sub-nav__link" href="#">link 3 - long link - long link - long link</a></li>
        </ul>
      </li>
      <li class="menu-item dropdown"><a class="nav__link"  href="#">Contact</a>
        <ul class = "sub-nav">
          <li><a class="sub-nav__link"  href="#">link 1</a></li>
          <li><a class="sub-nav__link"  href="#">link 2</a></li>
          <li><a class="sub-nav__link"  href="#">link 3 - long link - long link - long link</a></li>
        </ul>
      </li>
      <li class="menu-item "><a class="nav__link"  href="#">Blog</a>       
      </li>
    </ul>
</div>
</nav>

SCSS

$primary: #fff;
$secondary: #ccc;
$ternary: #272727;
$dark: #444444;
body {
  background: linear-gradient(90deg, rgba(18,40,182,1) 3%, rgba(0,212,255,1) 100%);
  color: $ternary;
  font-size: 14px;
  margin: 0;
}
.logo {
  max-width: 200px;
}
.navbar {
  align-items: center;
  background: $primary;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: row;
  font-family: sans-serif;
  padding: 10px 50px;
}
.push-left {
  margin-left: auto;
}
.hamburger {
  background: transparent;
  border: none;
  cursor: pointer;
  display: none;
  outline: none;
  height: 30px;
  position: relative;
  width: 30px;
  z-index: 1000;
  @media screen and (max-width: 768px) {
    display: inline-block;
  }
  &-line {
    background: $ternary;
    height: 3px;
    position: absolute;
    left: 0;
    transition: all 0.2s ease-out;
    width: 100%;
    .hamburger:hover & {
      background: #777;
    }
    &-top {
      top: 3px;
    }
    .menu-active &-top {
      top: 50%;
      transform: rotate(45deg) translatey(-50%);
    }
    &-middle {
      top: 50%;
      transform: translatey(-50%);
    }
    .menu-active &-middle {
      left: 50%;
      opacity: 0;
      width: 0;
    }
    &-bottom {
      bottom: 3px;
    }
    .menu-active &-bottom {
      bottom: 50%;
      transform: rotate(-45deg) translatey(50%);
    }
  }
}
.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  transition: all 0.25s ease-in;
  @media screen and (max-width: 768px) {
    background: $primary;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translatey(-100%);
    text-align: center;
    .menu-active & {
      transform: translatey(0%);
      opacity: 1;
    }
  }
  .menu-item a {
    color: $dark;
    display: block;
    line-height: 30px;
    margin: 0px 10px;
    text-decoration: none;
    text-transform: uppercase;
    &:hover {
      color: lighten($dark, 20);
      text-decoration: underline;
    }
    @media screen and (max-width: 768px) {
      font-size: 20px;
      margin: 8px;
    }
  }
}
.sub-nav {
  border: 1px solid #ccc;
  display: none;
  position: absolute;
  background-color: $primary;
  padding: 5px 5px;
  list-style: none;
  width: 230px;
  @media screen and (max-width: 768px) {
    position: relative;
    width: 100%;
    display: none;
    background-color: rgba(0, 0, 0, 0.2);
    box-sizing: border-box;
  }
}
.nav__link {
  &:hover + .sub-nav {
    display: block;
  }
}
.sub-nav {
  &:hover {
    display: block;
  }
}

JavaScript

$(document).ready(function() {
// Toggle menu on click
$("#menu-toggler").click(function() {
toggleBodyClass("menu-active");
});

function toggleBodyClass(className) {
document.body.classList.toggle(className);
}});

Responsive