<header>
      <form id="form">
        <input type="text" id="search" class="search" placeholder="영화 검색" />
      </form>
    </header>

    <main id="main">
      <div class="movie">
        <img
          src="영화이미지주소"
          alt=""
        />
        <div class="movie-info">
          <h3>영화 제목</h3>
          <span class="green">9.8</span>
        </div>
        <div class="overview">
          <h3>상세 보기</h3>
          Lorem ipsum dolor sit amet consectetur adipisicing elit. Placeat corrupti necessitatibus
          nulla ea obcaecati dolor sit accusamus, quo tenetur incidunt expedita? Illo minus fuga
          voluptatem repudiandae reiciendis quas, voluptas earum?
        </div>
      </div>
     </main>     

영화 3개더 추가 (하드코딩)

css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;400&display=swap');

:root {
  --primary-color: #22254b;
  --secondary-color: #373b69;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--primary-color);
  font-family: 'Poppins', sans-serif;
  margin: 0;
}

header {
  padding: 1rem;
  display: flex;
  justify-content: flex-end;
  background-color: var(--secondary-color);
}

.search {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  border-radius: 50px;
  font-family: inherit;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  color: #fff;
}

.search::placeholder {
  color: #7378c5;
}

.search:focus {
  outline: none;
  background-color: var(--primary-color);
}

main {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}

.movie {
  width: 300px;
  margin: 1rem;
  background-color: var(--secondary-color);
  box-shadow: 0 4px 5px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
  border-radius: 3px;
}

.movie img {
  width: 100%;
  height: 450px;
}

.movie-info {
  color: #eee;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap:0.2rem;
  padding: 0.5rem 1rem 1rem;
  letter-spacing: 0.5px;
}

.movie-info h3 {
  margin: 0 auto;
}

.movie-info span {
  background-color: var(--primary-color);
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  font-weight: bold;
}

.movie-info span.green {
  color: lightgreen;
}

.movie-info span.orange {
  color: orange;
}

.movie-info span.red {
  color: red;
}

.overview {
  background-color: #fff;
  padding: 2rem;
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  max-height: 100%;
  transform: translateY(101%);
  overflow-y: auto;
  transition: transform 0.3s ease-in;
}

.movie:hover .overview {
  transform: translateY(0);
}

하드코딩
https://namu.wiki/w/%ED%95%98%EB%93%9C%EC%BD%94%EB%94%A9