<div class="frame">
  <div class="panel">
    <div class="header flex">
			<div class="menu-icon">
				<div class="dash-top"></div>
				<div class="dash-bottom"></div>
				<div class="circle circle-1"></div>
			</div>
			<span class="title">Notifications</span>
		</div>
		
		<div class="notifications clearfix">
			<div class="line"></div>
			<div class="notification">
				<div class="circle"></div>
				<span class="time">9:24 AM</span>
				<p><b>John Walker</b> posted a photo on your wall.</p>
			</div>
			<div class="notification">
				<div class="circle"></div>
				<span class="time">8:19 AM</span>
				<p><b>Alice Parker</b> commented your last post.</p>
			</div>
			<div class="notification">
				<div class="circle"></div>
				<span class="time">Yesterday</span>
				<p><b>Luke Wayne</b> followed you.</p>
			</div>
		</div>
  </div>
	
	<div class="menu">
		<ul>
			<li class="hvr-underline-from-left"><span class="fa fa-dashboard"></span>Dashboard</li>
			<li class="hvr-underline-from-left"><span class="fa fa-user"></span>Profile</li>
			<li class="hvr-underline-from-left"><span class="fa fa-bell"></span>Notifications</li>
			<li class="hvr-underline-from-left"><span class="fa fa-comments"></span>Messages</li>
			<li class="hvr-underline-from-left"><span class="fa fa-gear"></span>Settings</li>
		</ul>
	</div>
	
</div>
@import url('https://fonts.googleapis.com/css?family=Josefin+Sans|Montserrat+Alternates');
$main-color : #643a7a;

$dark-purple: #4b384c;
$crushed-raspberry: #632c65;
$rose: #e2a9e5;
$black: #201c29;
$white: #e6e6e6;
$secondary: #6fa57f;

body {
	background: $main-color;
}

.frame {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 400px;
  margin-top: -200px;
  margin-left: -200px;
  border-radius: 2px;
  box-shadow: .5rem .5rem 1rem rgba(0, 0, 0, 0.6);
  background: $black;
  color: #666;
  font-family: 'montserrat alternates', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

.panel {
  position: absolute;
  z-index: 2;
  height: 300px;
  width: 300px;
  top: 50px;
  left: 50px;
  background: #fff;
  border-radius: 3px;
  overflow: hidden;
  box-shadow: .5rem .5rem 1rem 0 rgba(0, 0, 0, 0.4);
  transition: all .5s ease-in-out;
}
.panel.show-menu {
  transform: translate3d(150px, 0, 0);
}
.panel .header {
  height: 60px;
  width: 100%;
  background: $crushed-raspberry;
	font-family: 'josefin sans', serif;
}

.panel .header .menu-icon {
  position: absolute;
  width: 29px;
  height: 15px;
  top: 23px;
  left: 20px;
  cursor: pointer;
	&:hover .dash-top {
		transform: translate(.6rem);
		transition: .5s;
	}
	&:hover .circle-1 {
		transform: translate(-1.6rem);
		transition: .5s;
	}
}
.panel .header .menu-icon .dash-top, .panel .header .menu-icon .dash-bottom {
  position: absolute;
  width: 20px;
  height: 4px;
  top: 0;
  left: 0;
  background: #fff;
  border-radius: 1px;
  transition: all .2s ease-in-out;
}
.panel .header .menu-icon .dash-bottom {
  width: 29px;
  top: auto;
  bottom: 0;
}
.panel .header .menu-icon .circle {
  position: absolute;
  height: 7px;
  width: 7px;
  border-radius: 4px;
  top: -2px;
  right: 0;
  background: #fff;
  transition: all .2s ease-in-out;
}
.slide {
	transform: translate(-1.6rem);
	transition: .5s;
}
.slide-top {
	transform: translate(.6rem);
	transition: .5s;
}
.flex {
	display: flex;
	justify-content: center;
	align-items: center;
}
.panel .header .title {
  color: #fff;
  font-size: 1.6rem;
}

.panel .notifications {
  position: relative;
  height: 100%;
  overflow: hidden;
}
.panel .notifications .line {
  position: absolute;
  top: 0;
  left: 27px;
  bottom: 0;
  width: 3px;
  background: #EBEBEB;
	animation: appear .5s;
}
@keyframes appear {
	0% {
		transform: translateY(-20rem);
	}
	100% {
		transform: translateY(0rem);
	}
}
.panel .notifications .notification {
  position: relative;
  z-index: 2;
  margin: 20px 20px 25px 43px;
}
.panel .notifications .notification:nth-child(2) {
          animation: here-am-i 0.5s ease-out 0.4s;
          animation-fill-mode: both;
}
.panel .notifications .notification:nth-child(3) {
          animation: here-am-i 0.5s ease-out 0.6s;
          animation-fill-mode: both;
}
.panel .notifications .notification:nth-child(4) {
          animation: here-am-i 0.5s ease-out 0.8s;
          animation-fill-mode: both;
}
.panel .notifications .notification:hover {
	color: fade-out($main-color, .3);
  cursor: pointer;
}
.panel .notifications .notification .circle {
  box-sizing: border-box;
  position: absolute;
  height: 11px;
  width: 11px;
  background: #fff;
  border: .18rem solid fade-out($main-color, .5);
  box-shadow: 0 0 0 3px #fff;
  border-radius: 6px;
  top: 0;
  left: -20px;
}
.panel .notifications .notification .time {
  display: block;
  font-size: .75rem;
  line-height: 11px;
  margin-bottom: 2px;
}
.panel .notifications .notification p {
  line-height: 20px;
  margin: 0;
	font-size: 1.1rem;
}
.panel .notifications .notification p b {
  font-weight: 600;
}

.menu {
  position: absolute;
  width: 170px;
  height: 270px;
  top: 65px;
  left: 50px;
  background: #7c3b7c;
  border-radius: 10px;
  transition: all .5s ease-in-out;
  transform: translate3d(20px, 0, 0);
}
.menu.active {
  box-shadow:.5rem .5rem 1rem rgba(0, 0, 0, 0.5);
  transform: translate3d(0, 0, 0);
}
.menu ul {
  margin: 0;
  padding: 10px 0;
  font-size: 1.2rem;
}
.menu li {
  color: #FFF;
  padding: 18px 17px;
  list-style: none;
  line-height: .9rem;
  cursor: pointer;
	margin: 0 .5rem;
	font-family: 'josefin sans', serif;
	width: 10rem;
}
.hvr-underline-from-left {
  display: inline-block;
  vertical-align: middle;
  transform: perspective(1px) translateZ(0);
  box-shadow: 0 0 1px rgba(0, 0, 0, 0);
  position: relative;
  overflow: hidden;
}
.hvr-underline-from-left:before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 100%;
  bottom: .3rem;
  background: fade-out(#fff, .8);
  height: 3rem;
  transition-property: right;
  transition-duration: 0.4s;
  transition-timing-function: ease-out;
}
.hvr-underline-from-left:hover:before, .hvr-underline-from-left:focus:before, .hvr-underline-from-left:active:before {
  right: 0;
}

.menu li span {
  display: block;
  float: left;
  margin-right: 8px;
  margin-top: -1px;
}
.menu li .fa-gear, .menu li .fa-user, .menu li .fa-bell {
  margin-top: 0;
}


@keyframes here-am-i {
  from {
            transform: translate3d(0, 50px, 0);
    opacity: 0;
  }
  to {
            transform: translate3d(0, 0, 0);
    opacity: 1;
  }
}
View Compiled
// jQuery v3.3.1 is supported
$('.menu-icon').click( function() {
    $('.panel').toggleClass('show-menu');
    $('.menu').toggleClass('active');
	$('.circle-1').toggleClass('slide');
	$('.dash-top').toggleClass('slide-top');
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

  1. https://100dayscss.com/codepen/js/jquery.min.js