* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: sans-serif;
    background-color: #d5f9fd;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.app-container {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4x 10px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

h1 {
    color: #00bdca;
    margin-bottom: 20px;
}

.input-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

input {
    padding: 10px;
    border-radius: 4px;
    border: 1px solid #ddd;
}

button {
    padding: 10px;
    background-color: #00bdca;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #00a8b5;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#bookmark-list li{
    background-color: #f9f9f9;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#bookmark-list li a {
    color: #00bdca;
    text-decoration: none;
}

#bookmark-list button {
    background-color: #e74c3c;
    padding: 5px 10px;
}

#bookmark-list button:hover {
    background-color: #c0392b;
}