style.css

/* Optional: Makes the sample page fill the window. */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: #FAF6F0;
}

#container {
  height: 305px;
  display: flex;
  max-width: 1300px;
  margin: auto;
}
li{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
p{
  margin: 0;
}
ul{
  padding: 0;
}
.active{
  background-color: #F6F6F6;
}
.path-mark:hover{
  color: orange;
}
.accordion-button{
  border-radius: 0 !important;
}
.path-marker{
  display: inline-flex;
  gap: 4px
}
#sidebar {
  flex-basis: 15rem;
  flex-grow: 1;
  padding: 1rem;
  max-width: 30rem;
  height: 100%;
  box-sizing: border-box;
  overflow: auto;
}
#sidebar-text {
  flex-basis: 15rem;
  flex-grow: 1;
  padding: 1rem;
  padding-top: 0;
  padding-bottom: 0;
  height: 100%;
  box-sizing: border-box;
  overflow: auto;
}


#map {
  flex-basis: 0;
  flex-grow: 4;
  height: 100%;
}

#sidebar {
  flex-direction: column;
}
.path-mark{
  cursor: pointer;
}
.accordion-button.collapsed::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button:not(.collapsed)::after{
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");

}
@media (max-width: 992px) {
  #container {
    display: block;
   flex-direction: column;
  }
  #sidebar-text{
    padding: 0;
    margin-top: 1rem;
  }
  #map{
    display: block;
    height: 400px;
    flex-basis: 600px;
  }
}