bootstrap-4-notifications-sample.css

.dropdown-item.dropdown-notification:active, .dropdown-item.dropdown-notification.active {
  color: #1d1e1f;
  text-decoration: none;
  background-color: #f7f7f9;
}

.dropdown-notification:hover .notification-read {
  color: #34495E;
}

.dropdown-notification-all {
  text-align: center;
  padding-top: 5px;
  padding-bottom: 5px;
  font-style: oblique;
  background-color: #34495E;
  color: white;
}

.dropdown-notification-all:hover {
  background-color: #34495E;
  color: white;
}

.notifications-container {
  max-height: 300px;
  overflow: auto;
}

.notification-dropdown-menu {
  padding-bottom: 0;
  min-width: 528px;
}

.notification-img {
  width: 48px;
  display: inline-block;
  vertical-align: top;
}

.notifications-body {
  display: inline-block;
}

.notification-texte {
  text-align: left;
  margin: 0;
}

.notification-read {
  margin: 0;
  height: 48px;
  vertical-align: top;
  line-height: 48px;
  padding-left: 15px;
  color: white;
  float: right;
}

.notification-date {
  text-align: left;
  color: #2980b9;
  margin: 0;
}

.notification-solo {
  margin-top: 1rem;
}

.notification-unread {
  text-decoration: none;
  background-color: #f7f7f9;
}