Bootstrap v4.1 - Notification displaying incorrectly

/*!
 * bootstrap-dropmenu v0.9.0 (https://skywalkapps.github.io/bootstrap-dropmenu)
 * Copyright 2015 Martin Staněk
 * Licensed under MIT
 */
.dropdown-container {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  float: left;
  min-width: 200px;
  max-width: 330px;
  margin: 2px 0 0;
  list-style: none;
  font-size: 14px;
  background-color: #fff;
  border: 1px solid #ccc;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
  background-clip: padding-box;
}
.dropdown-container > .dropdown-menu {
  position: static;
  z-index: 1000;
  float: none!important;
  padding: 10px 0;
  margin: 0;
  border: 0;
  background: transparent;
  border-radius: 0;
  -webkit-box-shadow: none;
  box-shadow: none;
  max-height: 330px;
  overflow-y: auto;
}
.dropdown-container > .dropdown-menu + .dropdown-menu {
  padding-top: 0;
}
.dropdown-menu > li > a {
  overflow: hidden;
  white-space: nowrap;
  word-wrap: normal;
  text-decoration: none;
  text-overflow: ellipsis;
  -o-text-overflow: ellipsis;
  -webkit-transition: none;
  -o-transition: none;
  transition: none;
}
.dropdown-toggle {
  cursor: pointer;
}
.dropdown-header {
  white-space: nowrap;
}
.open > .dropdown-container > .dropdown-menu,
.open > .dropdown-container {
  display: block;
}
.dropdown-toolbar {
  padding-top: 6px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 5px;
  background-color: #fff;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 4px 4px 0 0;
}
.dropdown-toolbar > .form-group {
  margin: 5px -10px;
}
.dropdown-toolbar .dropdown-toolbar-actions {
  float: right;
}
.dropdown-toolbar .dropdown-toolbar-title {
  margin: 0;
  font-size: 14px;
}
.dropdown-footer {
  padding: 5px 20px;
  border-top: 1px solid #ccc;
  border-top: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0 0 4px 4px;
}
.anchor-block small {
  display: none;
}
@media (min-width: 992px) {
  .anchor-block small {
display: block;
font-weight: normal;
color: #777777;
  }
  .dropdown-menu > li > a.anchor-block {
padding-top: 6px;
padding-bottom: 6px;
  }
}
@media (min-width: 992px) {
  .dropdown.hoverable:hover > ul {
display: block;
  }
}
.dropdown-position-topright {
  top: auto;
  right: 0;
  bottom: 100%;
  left: auto;
  margin-bottom: 2px;
}
.dropdown-position-topleft {
  top: auto;
  right: auto;
  bottom: 100%;
  left: 0;
  margin-bottom: 2px;
}
.dropdown-position-bottomright {
  right: 0;
  left: auto;
}
.dropmenu-item-label {
  white-space: nowrap;
}
.dropmenu-item-content {
  position: absolute;
  text-align: right;
  max-width: 60px;
  right: 20px;
  color: #777777;
  overflow: hidden;
  white-space: nowrap;
  word-wrap: normal;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
}
small.dropmenu-item-content {
  line-height: 20px;
}
.dropdown-menu > li > a.dropmenu-item {
  position: relative;
  padding-right: 66px;
}
.dropdown-submenu .dropmenu-item-content {
  right: 40px;
}
.dropdown-menu > li.dropdown-submenu > a.dropmenu-item {
  padding-right: 86px;
}
.dropdown-inverse .dropdown-menu {
  background-color: rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(0, 0, 0, 0.9);
}
.dropdown-inverse .dropdown-menu .divider {
  height: 1px;
  margin: 9px 0;
  overflow: hidden;
  background-color: #2b2b2b;
}
.dropdown-inverse .dropdown-menu > li > a {
  color: #cccccc;
}
.dropdown-inverse .dropdown-menu > li > a:hover,
.dropdown-inverse .dropdown-menu > li > a:focus {
  color: #fff;
  background-color: #262626;
}
.dropdown-inverse .dropdown-menu > .active > a,
.dropdown-inverse .dropdown-menu > .active > a:hover,
.dropdown-inverse .dropdown-menu > .active > a:focus {
  color: #fff;
  background-color: #337ab7;
}
.dropdown-inverse .dropdown-menu > .disabled > a,
.dropdown-inverse .dropdown-menu > .disabled > a:hover,
.dropdown-inverse .dropdown-menu > .disabled > a:focus {
  color: #777777;
}
.dropdown-inverse .dropdown-header {
  color: #777777;
}
.table > thead > tr > th.col-actions {
  padding-top: 0;
  padding-bottom: 0;
}
.table > thead > tr > th.col-actions .dropdown-toggle {
  color: #777777;
}
.notifications {
  list-style: none;
  padding: 0; }

.notification {
  display: block;
  padding: 0.8em;
  border-width: 0 0 1px 0;
  border-style: solid;
  border-color: #e9ecef;
  background-color: #ffffff;
  color: #212529;
  text-decoration: none; }
  .notification:last-child {
    border-bottom: 0;
    border-radius: 0 0 0.25rem 0.25rem; }
  .notification:hover, .notification.active:hover {
    background-color: #f9f9f9;
    border-color: #dee2e6;
    text-decoration: none; }
  .notification.active {
    background-color: #efefef; }

.notification-title {
  font-size: 1em;
  margin-bottom: 0; }

.notification-desc {
  margin-bottom: 0;
  font-size: 0.94em; }

.notification-meta {
  color: #868e96; }

.dropdown-notifications > .dropdown-container,
.dropdown-notifications > .dropdown-menu {
  width: 450px;
  max-width: 450px; }

.dropdown-notifications > .dropdown-container {
  margin-top: 0.6rem; }

.dropdown-notifications .dropdown-menu {
  padding: 0; }

.dropdown-notifications .dropdown-toolbar,
.dropdown-notifications .dropdown-footer {
  padding: 0.8em; }

.dropdown-notifications .dropdown-toolbar {
  background: #ffffff; }

.dropdown-notifications .dropdown-footer {
  background: #ced4da; }

.dropdown-notifications .dropdown-toggle::after {
  display: none; }

.navbar .dropdown-notifications .dropdown-menu {
  position: static; }

.notification-icon {
  margin-right: 0.49125rem;
  vertical-align: middle;
  font-style: normal;
  }

.notification-icon:after {
  position: absolute;
  content: attr(data-count);
  margin-left: -0.49125rem;
  margin-top: -0.49125rem;
  padding: 0 4px;
  min-width: 0.9825rem;
  height: 0.9825rem;
  line-height: 0.9825rem;
  background: red;
  border-radius: 10px;
  color: #ffffff;
  text-align: center;
  vertical-align: middle;
  font-size: 0.786rem;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; }

.notification .media-body {
  padding-top: 0; }

.btn-lg .notification-icon:after {
  margin-left: -0.5895rem;
  margin-top: -0.5895rem;
  min-width: 1.179rem;
  height: 1.179rem;
  line-height: 1.179rem;
  font-size: 0.9825rem; }

.btn-xs .notification-icon:after {
  content: '';
  margin-left: -0.29475rem;
  margin-top: -0.147375rem;
  min-width: 0.4465909091rem;
  height: 0.4465909091rem;
  line-height: 0.4465909091rem;
  padding: 0; }

.btn-xs .notification-icon {
  margin-right: 0.245625rem; }

<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet"/>
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<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script><linkhref="https://cdnjs.cloudflare.com/ajax/libs/open-iconic/1.1.1/font/css/open-iconic-bootstrap.css" rel="stylesheet"/>
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                    <strong class="notification-title"><a href="#">Dave Lister</a> commented on <a href="#">DWARF-13 - Maintenance</a></strong>
                    <p class="notification-desc">I totally don't wanna do it. Rimmer can do it.</p>

                    <div class="notification-meta">
                      <small class="timestamp">27. 11. 2015, 15:00</small>
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                  <div class="media-body">
                    <strong class="notification-title"><a href="#">Nikola Tesla</a> resolved <a href="#">T-14 - Awesome stuff</a></strong>

                    <p class="notification-desc">Resolution: Fixed, Work log: 4h</p>

                    <div class="notification-meta">
                      <small class="timestamp">27. 10. 2015, 08:00</small>
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                    <strong class="notification-title"><a href="#">James Bond</a> resolved <a href="#">B-007 - Desolve Spectre organization</a></strong>

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                      <small class="timestamp">1. 9. 2015, 08:00</small>
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