style.css

body {
    font-family: "Gill Sans", sans-serif;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 100vh;

}

.container {
 display: grid;
}

.input-box {
    background: #e8e4e4;
    width: 300px;
    height: 30px;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(238, 236, 236, 0.1);
    padding: 4px;
    padding-left: 10px;
}

.btn {
    margin-top: 15px;
    width: 88px;
    padding: 3px;
    border-radius: 4px;
}

.btn:hover {
    background: #958d8d;
}

.todo-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.todo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 20px;
    margin-left: 0;
    padding: 10px;
    border-radius: 5px;
    background: #958585;
}