@media only screen and (max-width: 600px) {
  .advantages {
    flex-direction: column;
  }
  header .navbar-nav {
    display: none;
    background: white;
    z-index: 1;
    position: absolute;
    top: 0;
    width: 90%;
    flex-direction: column;
    padding-bottom: 3rem;
    height: 100vh;
  }
  header .navbar-nav a.nav-item:last-child{
    background: none;
    color: var(--text-color);
  }
  #search{
    font-size: 1.2rem;
  }
  .burger-menu {
    all: unset;
    display: flex;
    font-size: 4rem;
    cursor: pointer;
  }
  .burger-menu:hover{
    color: #bfeba0;
  }
  .close-menu {
    margin-top: 1rem;
    all: unset;
    display: flex;
    font-size: 4rem;
    align-self: flex-end;
    cursor: pointer;
  }
  .add-banner .wrapper h3{
    font-size: 1.5rem;
    line-height: 2rem;
    margin-bottom: 1rem;
  }
  .add-banner .wrapper p{
    font-size: 1rem;
  }
  .add-banner .wrapper a.add-source {
    font-size: 1.2rem;
  }
  .flex-container aside{
    right: 0;
    position: absolute;
    top: 0;
    background: #fff;
    display: none;
  }
  .flex-container aside[data-filter='visible']{
    display: block;
  }
  
  .filter-menu{
    all: unset;
    font-size: 4rem;
    position: fixed;
    top: 260px;
    right: 2rem;
    cursor: pointer;
  }
  .filter-menu:hover{
    color: #bfeba0;
  }

}