<div class="container">

  <div class="box">
    <div class="container-3">
      <span class="icon"><i class="fa fa-search"></i></span>
      <input type="search" id="search" placeholder="Search..." />
    </div>
  </div>

  <div class="leftbox">
    <nav>
      <a id="dashboard"><i class="fas fa-tachometer-alt"></i></a>
      <a id="profile"> <i class="fas fa-user"></i> </a>
      <a id="settings"> <i class="fas fa-cog"></i> </a>
      <a id="messages"> <i class="fas fa-comments"></i> </a>
      <a id="notification"> <i class="fas fa-bell"></i> </a>
    </nav>
  </div>
  <div class="rightbox">
    <div class="rb-container">
      <ul class="rb">
        <li class="rb-item" ng-repeat="itembx">
          <div class="timestamp">
            3rd May 2020<br> 7:00 PM
          </div>
          <div class="item-title">Chris Serrano posted a photo on your wall.</div>

        </li>
        <li class="rb-item" ng-repeat="itembx">
          <div class="timestamp">
            19th May 2020<br> 3:00 PM
          </div>
          <div class="item-title">Mia Redwood commented on your last post.</div>

        </li>

        <li class="rb-item" ng-repeat="itembx">
          <div class="timestamp">
            17st June 2020<br> 7:00 PM
          </div>
          <div class="item-title">Lucas McAlister just send you a message.</div>

        </li>

      </ul>

    </div>
  </div>
</div>
@import url("https://fonts.googleapis.com/css2?family=PT+Sans&display=swap");

body {
  background: #e8cbc0;
}

.container {
  background: #232931;
  width: 540px;
  height: 500px;
  margin: 0 auto;
  position: relative;
  margin-top: 10%;
  box-shadow: 2px 5px 20px rgba(119, 119, 119, 0.5);
}

.leftbox {
  top: -5%;
  left: 5%;
  position: absolute;
  width: 15%;
  height: 110%;
  background-color: #50d890;
  box-shadow: 3px 3px 15px rgba(119, 119, 119, 0.5);
}

nav {
  margin: 2.6em auto;
}

nav a {
  list-style: none;
  padding: 35px;
  color: #232931;
  font-size: 1.1em;
  display: block;
  transition: all 0.5s ease-in-out;
}

.rightbox {
  padding: 0em 34rem 0em 0em;
  height: 100%;
}

.rb-container {
  font-family: "PT Sans", sans-serif;
  width: 50%;
  margin: auto;
  display: block;
  position: relative;
}

.rb-container ul.rb {
  margin: 2.5em 0;
  padding: 0;
  display: inline-block;
}

.rb-container ul.rb li {
  list-style: none;
  margin: auto;
  margin-left: 10em;
  min-height: 50px;
  border-left: 1px dashed #fff;
  padding: 0 0 50px 30px;
  position: relative;
}

.rb-container ul.rb li:last-child {
  border-left: 0;
}

.rb-container ul.rb li::before {
  position: absolute;
  left: -18px;
  top: -5px;
  content: " ";
  border: 8px solid rgba(255, 255, 255, 1);
  border-radius: 500%;
  background: #50d890;
  height: 20px;
  width: 20px;
  transition: all 500ms ease-in-out;
}

.rb-container ul.rb li:hover::before {
  border-color: #232931;
  transition: all 1000ms ease-in-out;
}

ul.rb li .timestamp {
  color: #50d890;
  position: relative;
  width: 100px;
  font-size: 12px;
}

.item-title {
  color: #fff;
}

.container-3 {
  width: 5em;
  vertical-align: right;
  white-space: nowrap;
  position: absolute;
}

.container-3 input#search {
  width: 150px;
  height: 30px;
  background: #fbfbfb;
  border: none;
  font-size: 10pt;
  color: #262626;
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  margin: 0.9em 0 0 28.5em;
  box-shadow: 3px 3px 15px rgba(119, 119, 119, 0.5);
}

.container-3 .icon {
  margin: 1.3em 3em 0 31.5em;
  position: absolute;
  width: 150px;
  height: 30px;
  z-index: 1;
  color: #4f5b66;
}

input::placeholder {
  padding: 5em 5em 1em 1em;
  color: #50d890;
}

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/css/all.min.css

External JavaScript

  1. https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.13.0/js/all.min.js
  2. https://code.jquery.com/jquery-3.5.0.slim.js