.main-menu-container{
   width: auto; height: auto;
   position: absolute; top: 10px; right: 10px;
   color: #f5f9fa;
   font-family: 'Roboto', sans-serif; font-size: 18px; font-weight: 500;
}

.main-menu-container .menu{
  list-style: none;
  margin: 0;
  padding: 10px; box-sizing: border-box;
  color: #f5f9fa; background-color: #1a1d1f;
  border-radius: 15px;
  text-align: center;
}

.main-menu-container .menu .menu-item{
    display: inline;
    margin-left: 20px;
    position: relative;
    cursor: pointer;
}

.main-menu-container .menu .menu-item:first-child{
    margin-left: 10px;
}

.main-menu-container .menu .menu-item a:hover{
  color: skyblue;
}

.main-menu-container .menu .menu-item a{
    color: #e9e9f2;
    text-decoration: none;
}

.main-menu-container .menu .menu-item .sub-menu{
    width: 280px; height: auto;
    list-style: none;
    position: absolute;  top: 30px; left: 0;
    padding: 0 20px; box-sizing: border-box;
    color: #f5f9fa; background-color: #1a1d1f;
    border-radius: 15px;
    box-shadow: 0.5px 0.5px 2px white;
    text-align: left;
    display: none;
    z-index: 10;
}

.main-menu-container .menu .menu-item .sub-menu .sub-menu-item{
  margin: 20px 0;
}

.main-menu-container .menu .menu-item .sub-menu .sub-menu-item a:hover{
   color: skyblue;
}