style.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;700&display=swap');

*,
*::before,
*::after {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: 'Poppins', sans-serif;
	font-size: 16px;
	line-height: 1.5;
	color: #333;
	background-color: #f5f5f5;
}

header {
	display: flex;
	justify-content: flex-start;
	align-items: center;
	margin-bottom: 20px;
}

header h1 {
	font-weight: 300;
	margin-left: 10px;
}

.container {
	max-width: 500px;
	margin: 30px auto;
	padding: 20px;
}

.edit-mode {
	color: #ccc;
}

/* Form & Input */
.form-input {
	width: 100%;
	font-size: 18px;
	margin-bottom: 20px;
	padding: 10px;
	border: 1px solid #ccc;
	border-radius: 5px;
	outline: none;
}

.form-input-filter {
	margin-top: 20px;
	width: 100%;
	font-size: 18px;
	margin-bottom: 20px;
	padding: 10px;
	border: none;
	border-bottom: 1px solid #ccc;
	background: transparent;
	outline: none;
}

/* Buttons */
.btn {
	background-color: #333;
	color: #fff;
	border: none;
	border-radius: 5px;
	padding: 10px 20px;
	cursor: pointer;
}

.btn:hover {
	background-color: #444;
}

.btn-link {
	font-size: 16px;
	background-color: transparent;
	color: #333;
	border: none;
	padding: 0;
	cursor: pointer;
}

.btn-clear {
	margin-top: 20px;
	width: 100%;
	font-size: 16px;
	background-color: transparent;
	color: #333;
	border: 1px solid #ccc;
	border-radius: 5px;
	padding: 10px 20px;
	cursor: pointer;
}

.btn-clear:hover {
	background-color: #f1f1f1;
}

.text-red {
	color: red;
}

/* Items */

.items {
	margin-top: 20px;
	display: flex;
	flex-wrap: wrap;
}

.items li {
	display: flex;
	justify-content: space-between;
	width: 45%;
	border: 1px solid #ccc;
	border-radius: 5px;
	padding: 10px 15px;
	margin: 0 5px 20px;
	font-weight: 700;
}

@media (max-width: 500px) {
	.items li {
		width: 100%;
	}
}