.side-menu{
    display: inline-block;
}
.side-menu .arrow-right {
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 10px solid #fff;
    
  }
  .side-menu ul {
    width: 270px;
    border-radius: 15px;
    margin: 15px;
    z-index: 10;
  }
  .side-menu ul.nav li.has-sub:after {
    content: " ";
    display: block;
    margin-top: -24px;
    margin-left: 220.5px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 10px solid #fff;
  }
  .side-menu li {
    height: 50px;
    padding-top: 5px;
    line-height: 40px;
    padding-left: 15px;
    list-style-type: none;
    border: 1px solid #283d50;
    border-radius: 15px;
    background-color: #a53029;
    margin-bottom: 15px;
  }
  .side-menu li:hover {
    background-color: rgba(165,48,41,0.9);
  }
  .side-menu a{
    color: #fff;
  }
  .side-menu li:hover a {
    color: #fff;
  }
  .side-menu ul.nav ul,
  .side-menu ul.nav ul {
    visibility: hidden;
    position: absolute;
    margin-top: -41px;
    margin-left: 255px;
  }
  .side-menu li:hover > ul {
    visibility: visible;
  }
  .side-menu ul li:hover > ul li:first-child {
      border-radius: 10px 10px 0px 0px;
  }

  .side-menu ul li:hover > ul li {
    border-radius: 1px;
    margin: 0;
    border:none;
    border-bottom: 1px solid #fff;
}

  .side-menu ul li:hover > ul li:last-child {
    border-radius: 0px 0px 10px 10px;
}