style.css

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

body{
    background: #A1CCA8;
    font-family: arial;
    height: 100vh;
}

.container{
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    box-shadow: 0px 5px 10px rgba(0,0,0,0.7);
    background-color: #eee;
    border-radius: 10px;
}

h1{
    color: #333;
    margin: 1rem;
    font-size: 2rem;
    text-align: center;
}

input{
    width: 100%;
    outline: none;
    margin-bottom: 2rem;
    height: 45px;
    padding: 0.5rem 2rem;
    border: 1px solid #ccc;
    border-radius:10px ;
}

.list-items{
    list-style: none;
    border: 1px solid #ccc;
    border-radius: 10px ;
    overflow: hidden;
}

.list-item{
    background-color: white;
    padding: 1rem;
    border-bottom: 1px solid #ccc;
    transition: all 0.3s;
}

.list-item:last-child{
    border-bottom: none;
}

.list-item:hover{
    background: #333;
    color:#fff;
    cursor: pointer;
}

.no-item{
    border: 1px solid #ccc;
    padding: 1rem;
    border-left: 5px solid red;
    background-color: pink;
    color: red;
    text-align: center;
    border-radius: 5px;
    font-size: 1.2rem;
}