body {
    background-color: #d1d1d1;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 700px;
    margin: auto;
}

.card {
    background-color: #fff ;
    padding: 20px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: 0 4px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    margin-bottom: 15px;
    color: rgb(156, 19, 42);
    border-bottom: 2px solid #d1d1d1;
    padding: 5px;
}

.btn {
    padding: 10px 15px;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
}

.btn-pink {
    background-color: palevioletred;
    color: white;
}

.btn-green {
    background-color: greenyellow;
    color: white;
}

.btn-brown {
    background-color: brown;
    color: white;
}

.counter {
    text-align: center;
}

#counter-value {
    display: block;
    font-size: 50px;
    margin-bottom: 20px;
}

.btn-group {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* =========== To Do List ========== */
.todo-input {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

#todo-input {
    width: 100%;
    padding: 10px;
    border-radius: 10px;
    border: 1px solid palevioletred;
}

#todo-list {
    list-style: none;
    padding: 0;
}

.todo-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: pink;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 8px;
}
.todo-item button {
    background-color: bisque;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
}