HTML Code:

<div class="card">
    <h2>Latest Post</h2>
    <ul>
      <li><a href="">Why the world would end without political polls</a></li>
      <li><a href="">Lamborghini makes Huracán GT3 racer faster for 2019</a></li>
      <li><a href="">MotoGP: Which team needs what in 2019?</a></li>
      <li><a href="">The Bride Was a Dream in a Dirndl, but Putin Stole the Show</a></li>
      <li><a href="">Lorem Ipsum is simply dummy.</a></li>
    </ul>
  </div>

CSS Code:

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@100;300;400&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body{
  background-color: #229999;
  font-family: 'Roboto', sans-serif;
}
.card{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  background-color: #fff;
  box-shadow: 0 0 10px 0 rgba(0,0,0,0.5);
  border-radius: 4px;
}
.card h2{
  padding: 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.2);
  font-weight: 400;
  color: 1e293b;
}
.card ul{
  margin: 0;
  padding: 0;
}
.card ul li{
  list-style-type: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.card ul li:last-child{
  border-bottom: none;
}
.card ul li a{
  display: block;
  color: #000;
  text-decoration: none;
  padding: 10px;
  position: relative;
  font-size: 1rem;
  font-weight: 300;
  z-index: 1;
  transition: .5s ease-in-out;
}
.card ul li a:hover{
  color: #fff;
}
.card ul li a:before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background-color: #299;
  z-index: -1;
  transition: .5s ease-in-out;
}
.card ul li a:hover:before{
  width: 100%;
}