* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

body {
    width: 100%;
    background: linear-gradient(135deg, #153677, #4e085f);
    min-height: 100vh;
}

#todo-container {
    background: #ff5733;
    padding: 20px ;
    text-align: center;
    color: white;
    margin: 3rem 10rem 1rem 10rem;
    border-radius: 0.5rem;
}

#task-input {
    padding: 1rem;
    width: 80%;
    border: none;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

button {
    padding: 0.7rem 2rem 1rem 2rem;
    background: rgb(85, 25, 215);
    border: none;
    cursor: pointer;
    border-radius: 10%;
    font-size: 1.2rem;
}

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

li {
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    margin-top: 0.5rem;
    position: relative;
    transition: 0.3s;
    width: 75%;
    margin-left: 10rem;
    border-radius: 5px;
    color: white;
    transition: 0.3s;
}

li.checked {
    text-decoration: line-through;
    background: #777;
    color: white;
}

li.checked::before {
    content: "✔";
    position: absolute;
    left: 1rem;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
}

li span {
    position: absolute;
    right: 10px;
    top: 8px;
    color: red;
    cursor: pointer;
    font-size: 2rem;
}

li span:hover {
    color: #000;
}