.mention-lookup-nt {
  width: 500px;
}
 
.mention-lookup-nt ul {
  color: #ccc;
  list-style-type: none;
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19);
  overflow: auto;
  width:225px;
  padding-left: 5px;
  margin-top: 10px;
}
 
.mention-lookup-nt li {
  padding-top: 10px;
  padding-bottom: 10px;
}
 
.mention-li-nt div {
  font: 12px/1.5 Helvetica, Verdana ,sans-serif;
  padding-left: 60px;
  color: #555;
}
 
.mention-li-nt img {
  position: absolute;
  width: 50px; 
  height: 40px;
}

.mention-li-nt:hover {
  background: #eee;
  cursor: pointer;
}