body {
    background-color: black;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: serif;
}

.container {
    text-align: center;
}

h1 {
    font-size: 2em;
    color: white;
    text-shadow: 0 0 5px #fff, 0 0 10px #fff, 0 0 20px #fff, 0 0 30px #fff, 0 0 40px #fff, 0 0 50px #fff, 0 0 60px #fff, 0 0 70px #fff;
}

input[type="text"] {
    width: 200px;
    padding: 10px;
    margin-top: 20px;
    height: 20px; /* 높이 조정 */
    border: 1px solid #ccc;
    box-sizing: border-box;
}

.dropdown {
    position: relative;
    display: inline-block;
    width: 200px;
}

.dropdown-content {
    display: none; /* 초기에는 숨겨져 있습니다. */
    position: absolute;
    background-color: #f9f9f9;
    min-width: 100%;
    border: 1px solid #ccc;
    z-index: 1;
    box-sizing: border-box;
    overflow: hidden; /* 애니메이션을 위해 숨깁니다. */
    transition: height 0.3s ease; /* 높이 변화에 따른 애니메이션 설정 */
}

.dropdown-content div {
    padding: 10px;
    cursor: pointer;
}

.dropdown-content div:hover {
    background-color: #f1f1f1;
}