body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  margin: 0;
  padding: 0;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  overflow: hidden;
}
.container {
  display: flex;
  flex-direction: column;

  height: 60rem;
  width: 30rem;

  border-radius: 1rem;
  box-shadow: rgba(0, 0, 0, 0.19) 0px 10px 20px, rgba(0, 0, 0, 0.23) 0px 6px 6px;
  overflow: hidden;
  transition: 1s;
  transition-property: border-radius, height, width;
}
.container .header {
  padding: 3rem 2rem;
  box-sizing: border-box;

  color: white;
  background-color: #2ed573;
}
.container .header input.search {
  height: 3rem;
  width: 100%;

  padding: 0 1rem;
  box-sizing: border-box;

  border-radius: 1.5rem;
  background-color: #00000077;
  outline: none;
  border: none;
  color: white;
}
.container .body {
  margin: 0;
  padding: 0;

  flex-grow: 1;

  overflow: hidden;
  overflow-y: auto;
}
.container .body li {
  display: flex;
  align-items: center;

  padding: 0.3rem 2rem;
  box-sizing: border-box;

  list-style: none;
}
.container .body li.hide {
  display: none;
}
.container .body li:not(:last-of-type) {
  border-bottom: 1px solid #dddddd;
}
.container .body li img {
  height: 4rem;
  width: 4rem;

  margin-right: 1rem;

  border-radius: 50%;
}

@media screen and (max-width: 30rem) {
  .container {
    height: 100%;
    width: 100%;
    border-radius: 0;
  }
}
@media screen and (max-height: 60rem) {
  .container {
    height: 100%;
    border-radius: 0;
  }
}