*{
    box-sizing: border-box;
}
body{
    margin:0;
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    background:#121212;
    font-family:Arial, Helvetica, sans-serif;
    color:white;
}

.container{
    background:#1e1e1e;
    padding:30px;
    border-radius:10px;
    width:350px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,0.5);
}

.input-box{
    display:flex;
    gap:10px;
    margin-top:20px;
}

input{
    flex:1;
    padding:10px;
    border:none;
    border-radius:6px;
    outline:none;
    background:#2a2a2a;
    color:white;
}

button{
    padding:10px 15px;
    border:none;
    border-radius:6px;
    background:#4caf50;
    color:white;
    cursor:pointer;
}

button:hover{
    background:#43a047;
}

ul{
    list-style:none;
    padding:0;
    margin-top:20px;
}

li{
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:#2a2a2a;
    padding:10px;
    border-radius:6px;
    margin-top:10px;
}

.delete{
    background:#e53935;
    border:none;
    color:white;
    padding:5px 10px;
    border-radius:4px;
    cursor:pointer;
}

.delete:hover{

    background:#c62828;
}

ul input {
    width: 100%;
    font-size: 16px;
    height: 46px;
    margin-top: 10px;
    padding: 10px;
}