*{
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
    
}
.container {
padding: 10px;
width: 100%;
margin: 0;
min-height: 100vh;

background-color: lightblue;
}

.todoapp {
    width: 100%;
    max-width: 540px;
    background: #fff;
    margin: 10px auto 20px;
    padding: 80px 30px 70px;
    border-radius: 10px;
}

.todoapp h2 {
    color:cadetblue;
    display: flex;
    align-items: center;
    margin-bottom: 20px;

}
.todoapp h2 img {
    width: 30px;
    margin-left: 10px;
}

.row{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #edeef0;
    border-radius: 30px;
    padding-left: 20px;
    margin-bottom: 25px;

}

input{
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px;
    font-weight: 20px;
    outline: none;
}
button{
    border: none;
    outline: none;
    background:#ff5945;
    color: #fff;
    border-radius:40px;
    padding: 16px 50px;
}

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: 12px;
   left:8px
}

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;
      font-weight: 20px;
      color: #555;
      line-height: 40px;
      text-align: center;
}
ul li span:hover {
     background-color: bisque;
     border-radius: 20px;
}
button:hover{
    background: chocolate;
}