.container{
    background-color: darkmagenta;
    display: flex;
    flex-direction: column;
    width: 300px;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.15);
    border-top: 10px solid rgb(43, 4, 55);
    border-bottom: 10px solid rgb(43, 4, 75);
    border-left: 10px solid rgb(43, 4, 55);
    border-right: 10px solid rgb(43, 4, 75);
    padding-left: 0px;
}
.todo{
    display: flex;
    justify-content: space-between;
    padding: 1em;
}
.todo__value{
    background: transparent;
    border: none;
    outline: none;
    font-weight: bold;
    flex-grow: 1;
}
.todo:has(.todo__checkbox:checked){
    background-color: chartreuse;
    opacity: 0.7;   
}
li{
    border: 3px solid black;
    border-radius: 10px;
    box-shadow: 3px 3px;
}
.todo__checkbox{
    margin-left: 10px;
}
strong{
    text-decoration: double underline;
}
.indenting{
    background-color: azure;
    margin: 5px 10px 5px 10px;
    border: 5px solid red;
    border-radius: 10px;
}