html {
  box-sizing: border-box;
  background: #ffc600;
  font-family: 'helvetica neue';
  font-size: 20px;
  font-weight: 200;
}

*, *:before, *:after {
  box-sizing: inherit;
}


input {
  width: 100%;
  padding: 20px;
}

.search-form {
  max-width: 400px;
  margin: 50px auto;
}

input.search {
  margin: 0 auto;
  text-align: center;
  outline: 0;
  border: 10px solid #F7F7F7;
  width: 100%;
  position: relative;
  top: 10px;
  z-index: 2;
  border-radius: 5px;
  font-size: 40px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.12), inset 0 0 2px rgba(0, 0, 0, 0.19);
}

.suggestions {
  margin: 0;
  padding: 0;
  position: relative;
}

.suggestions li {
  background: white;
  list-style: none;
  border-bottom: 1px solid #D8D8D8;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.14);
  margin: 0;
  padding: 20px;
  transition: background 0.2s;
  display: flex;
  justify-content: space-between;
  text-transform: capitalize;
  cursor: pointer;
}

.suggestions li:nth-child(even) {
  transform: perspective(100px) rotateX(3deg) translateY(2px) scale(1.001);
  background: linear-gradient(to bottom,  #ffffff 0%,#EFEFEF 100%);
}

.suggestions li:nth-child(odd) {
  transform: perspective(100px) rotateX(-3deg) translateY(3px);
  background: linear-gradient(to top,  #ffffff 0%,#EFEFEF 100%);
}

span.population {
  font-size: 15px;
}

.hl {
  background: #ffc600;
}

.popup {
  background-color: aliceblue;
  width: 60%;
  min-width: 300px;
  display: none;
  justify-content: center;
  border-radius: 10px;
  justify-self: center;
  align-content: center;
  position: sticky;
  bottom: 20%;
  z-index: 10;
  box-shadow: 0 4px 10px black;
  margin: 0 auto;
}
    
.popup ul {
  padding: 2% 5%;
}

.popup ul li {
  list-style: none;
  margin: 0;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  text-transform: capitalize;
}

.close-button {
  display: flex;
  justify-self: center;
  margin: 0 auto;
  margin-bottom:  10px;
  background-color: black;
  color: aliceblue;
  font-size: 20px;
  border: 1px solid black;
  border-radius: 5px;
  box-shadow: 0 4px 5px black;
  transition: all 0.1s ease;
  padding: 5px 10%;
  cursor: pointer;
}

.close-button:hover {
  transform: scale(1.1);
}