*{
    margin:0;
    padding:0;
    box-sizing: border-box;
    font-family:sans-serif;
}
.container{
    background-color: rgb(124, 124, 250);
    width:100%;
    min-height: 100vh;
    padding: 10px;;
}
.todobox{
    background-color: white;
    max-width:500px;
    width:100%;
    margin:100px auto 30px;
    border-radius: 10px;
    padding:40px 30px 70px;
}
h2{
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    color:rgb(11, 11, 234);
}
h2 img{
    width:40px;
    padding-left: 10px;
}
.row{
    display:flex;
    align-items:center;
    justify-content: space-between;
    background: #edeef0;
    padding-left:20px;
    margin-bottom: 25px;
    border-radius: 30px;
    margin-top: 20px;

}
input{
    flex:1;
    padding:10px;
    background-color: transparent;
    border:none;
    outline: none;
    font-weight: 14px;
}
button{
    border: none;
    outline:none;
    padding: 16px 50px;
    background:#ff5945;
    color:#fff;
    cursor:pointer;
    border-radius: 40px;
}
ul li{
    list-style: none;
    font-size: 17px;
    padding:12px 8px 12px 50px;
    user-select: none;
    cursor:pointer;
    position: relative;
}
ul li::before{
    content:'';
    position:absolute;
    height:28px;
    width:28px;
    border-radius:50%;
    background-image: url(./images/unchecked.png);
    background-size: cover;
    background-position: center;
    top:7px;
    left:12px;
}
ul li.checked{
    color:#555;
    text-decoration: line-through;
}
ul li.checked::before{
    background-image: url(./images/checked.png);
}
ul li span{
    position: absolute;
    right:0;
    top:5px;
    width:40px;
    height:40px;
    font-size: 22px;
    color:#555;
    line-height:40px;
    text-align: center;
    border-radius: 50%;
}
ul li span:hover{
    background: #edeef0;
}