body, html {
  font-family: Helvetica, sans-serif;
  margin: 0;
}

* {
  box-sizing: border-box;
}

#main-header {
  background-color: #ccc;
  color: #eee;
  padding: 20px;
}
#main-header input {
  background-color: #ccc;
  border: 1px solid #999;
}

#txtMovieSearch {
  margin-left: 5px;
  height: 26px;
  padding: 2px;
}

#btnMovieSearch {
  height: 26px;
  background-color: #777;
  border: 1px solid #999;
  color: #eee;
}

#movies-container {
  display: flex;
  flex-flow: row wrap;
  padding: 10px;
  width: 700px;
  background-color: #eee;
  margin: 0 auto;
}
#movies-container .img {
  margin: 10px;
  width: 150px;
  cursor: pointer;
}
#movies-container .img img {
  width: 100%;
}