* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.filter-container {
  text-align: center;
  padding-bottom: 20px;
}
input {
  margin: 20px auto;
  display: block;
  font-size: 1.4rem;
  text-align: center;
  transition: 0.2s;
}
input:focus {
  border-radius: 30px;
  background: rgb(238, 238, 238);
}
.range-container {
  display: flex;
  align-items: center;
  justify-content: center;
}
input[type="range"] {
  width: 250px;
  margin: 0 10px 10px 0;
}
.range-container span {
  font-size: 1.2rem;
  transform: translateY(-3px);
}

.cards {
  color: whitesmoke;
  background: rgb(31, 30, 30);
  align-items: center;
  justify-content: center;
  text-align: center;
}

.countries-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.countries-container ul {
  flex: 1 0 25%;
  border-radius: 10px;
  margin: 5px;
  padding: 8px;
  list-style: none;
  max-width: 300px;
  min-width: 250px;
}

.countries-container img {
  width: 50%;
}

.countries-container li {
  margin: 7px;
}

.countries-container h4 {
  font-size: 1.2rem;
}

.countries-container p {
  font-size: 0.8rem;
}