body{
    background-color: #f2f2f2;
}
.container{
    max-width: 500px;
    margin:0 auto;
    padding: 25px;
    background-color:white;
    text-align: center;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
    
}
h1{
    margin-top: 0;
    text-align: center;
    color: black;
}
input[type="text"]{
    padding: 5px;
    font-size: 15px;
    width:75%;
    margin-right: 25px;
}
button{
    padding: 8px 20px;
    background-color: #555;
    color:#fff;
    border:none;
    cursor: pointer;
}
ul{
    list-style: none;
    margin: 25px;

}
li{
    padding: 10px;
    background-color: #eee;
    margin-bottom:5px;
  margin-right: 40px;
    
    border-radius: 5px;
    display:flex;
    justify-content: space-between;
    align-items: center;


}
li:last-child{
    margin-bottom: 0px;
}
.delete-todo-btn{
    background-color: red;
    color:white;
    border:none;
    padding: 5px 10px;
    cursor: pointer;
}
.todo-checkbox {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    accent-color: green; 
    cursor: pointer;
}

.completed {
    text-decoration: line-through;
    color: gray;
}