*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

html, body{
    height: 100%;
    width: 100%;
}

body {
    background: linear-gradient(135deg, #1D70A2, #6DAEDB);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-top: 0;
    margin-bottom: 10px;
}

input {
    padding: 10px;
    width: 70%;
    margin-right: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 10px;
    border: none;
    background-color: #28a745;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

button:hover {
    background-color: #218838;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    padding: 10px;
    background-color: #f4f4f4;
    border-bottom: 1px solid #ccc;
    margin: 10px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li button {
    background-color: #dc3545;
    color: #fff;
    border: none;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

li button:hover {
    background-color: #218838;
}