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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #111;
    color: #fff;
    padding: 50px 20px;
}

.container {
    max-width: 1100px;
    margin: auto;
}

h1 {
    text-align: center;
    margin-bottom: 30px;
}

.filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filters button {
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    background: #222;
    color: #fff;
    border-radius: 30px;
    transition: .3s;
}

.filters button:hover, .filters button.active {
    background: dodgerblue;
}

.grid {
    width: 100%;
}

.item {
    width: 250px;
    height: 150px;
    background: #222;
    border-radius: 15px;
    margin: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.item h3 {
    margin-bottom: 10px;
}