@media (max-width: 568px) {
  .feed-item {
    padding: 15px 0 0 0;
  }
  .feed-item-inner-sub {
    position: inherit;
    top: 0;
    margin-left: 50px;
  }
}
@media (max-width: 768px) {
  .container {
    width: 100%;
  }
  .navbar-fixed-top {
    position: absolute;
    top: 0;
    left: 0;
  }
  .navbar-right .dropdown-menu {
    right: 0;
    left: auto;
  }
}
@media (min-width: 768px) {
  body {
    padding-top: 0;
    margin-left: 64px;
  }
  nav ul {
    flex-direction: column;
    justify-content: center;
  }
  .navbar-fixed-left {
    width: 64px;
    height: 100vh;
    border-radius: 0;
    right: auto !important;
    left: 0 !important;
    border-width: 0 1px 0 0 !important;
  }
  .container {
    width: 700px;
    padding-top: 0;
  }
}
@media (min-width: 992px) {
  .container {
    width: 900px;
  }
}
@media (min-width: 1200px) {
  .container {
    width: 1100px;
  }
}

@media (min-device-width:320px) and (max-device-width:568px) and (orientation : portrait) {/* iPhone5 */
  .notification-contents {
    width: 160px;
  }
}
@media (min-device-width: 375px) and (max-device-width: 667px) and (orientation : portrait) {/* iPhone6 */
  .notification-contents {
    width: 190px;
  }
}