style1.css

body{
    margin: 0;
    padding: 0;
    height: 100vh;
    font-family: 'Open Sans',sans-serif;;
    background: linear-gradient(135deg , #153677,#4e085f);

}
.container{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.hero{
    width: 540px;
    min-height: 400px;
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;

}
h1{
    text-align: center;
}
#input{
    font-size: medium;
    margin-top: 50px;
    margin-bottom: 10px;
    width: 80%;
    border-radius: 0px;
    border: 0;
    outline: none;
    background: transparent;
    padding: 10px;
    border-bottom: 1px solid #ccc;
}
#addbutton{
    padding: 10px 20px;
    background: #ff5945;
    color: #fff;
    font-size: 16px;
    border: 0;
    outline: 0;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
}
ul{
    list-style: none;
    padding: 0;
}
li{
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 0;
    outline: none;
    border-bottom: 1px solid #ccc;
}
.deletebutton{
    background-color: #ff5945;
    color: #fff;
    border: none;
    border-radius: 5px;
    padding: 5px 10px;
    cursor: pointer;
}