.filter-panel {
  margin-top: 10px;
  color:lightgrey;
  padding: 12px;
  background: rgba(33,33,33,0.6);
  border: 1px solid lightgrey;
  border-radius: 6px;
  position:absolute;
  top: 130px;
  left: 10px;
  z-index: 1;
}

.filter-panel h4 {
  margin-top: 0;
  font-size: 16px;
  font-weight: 600;
}

.filter-panel label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
}

.filter-panel select,
.filter-panel button {
  width: 100%;
  margin-top: 4px;
  padding: 6px;
  border-radius: 4px;
  border: 1px solid lightgrey;
}