*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}
body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}
.container{
    margin-top: 100px;
    width: 400px;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    color: #fff;
    box-shadow: 2px 5px 10px 5px #d6d3d3;
    background-color: rgba(60, 57, 57,0.7);
}
@media(min-width:200px) and (max-width:400px) {
    .container{
        width: 350px;
    }
}
@media(min-width:200px) and (max-width:400px)  {
    #authorDetails {
        width: 350px;
        text-align: end;
    }
}

main {
    flex-grow: 1;
    height: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-left: 0;
    padding-right: 0;
}
header {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.input-add {
    display: flex;
    gap: 10px;
}
#btn-add{
    width: 60px;
    font-size: 16px;
    border-radius: 3px;
    border: none;
    cursor: pointer;
    color: rgba(60, 57, 57,0.7);
    background-color: white;
}
#btn-add:hover{
    color: black;
}
#btn-add:active{
    color: rgba(0, 0, 0, 0.698);
}
#todo-input {
    width: 80%;
    padding-left: 8px;
    font-size: 16px;
    height: 35px;
    border: none;
    border-radius: 5px;
}
#todo-input::placeholder {
    opacity: 0.5;
}
#todo-input:focus{
    outline: none;
}
.list-item {
    width: 80%;
    height: 35px;
    padding:10px;
    border-radius: 3px;
    background-color: white;
    color: black;
    display: flex;
    align-items: center;
}
.remove-btns {
    width: 60px;
    font-size: 14px;
    border-radius: 3px;
    border: none;
    cursor: pointer;
    color: rgba(60, 57, 57,0.7);
    background-color: white;
}
.remove-btns:hover {
    color: black;
}
.remove-btns:active {
    color: rgba(0, 0, 0, 0.698);
}

.div-list {
    width: 100%;
    display: flex;
    gap: 10px;
}
#author{
    color: blue;
}
p {
    width: 400px;
    text-align: end;
    opacity: 0.4;   
}