Mini Exercise Solution

by oktaviardi pratama

HTML

<!-- Bagian 1: Tombol -->
    <section>
        <h2>1. Tombol Interaktif</h2>
        <p>Arahkan mouse dan klik tombol di bawah ini.</p>
        <br>
        <button class="interactive-btn">Klik Saya</button>
    </section>

    <!-- Bagian 2: Grid Responsif -->
    <section style="width: 100%; display: flex; justify-content: center;">
        <div style="width: 100%; max-width: 600px; text-align: center;">
            <h2>2. Grid Responsif</h2>
            <p>Kecilkan layar browser (< 600px) untuk melihat perubahan layout.</p>
            <br>
        </div>

        <div class="grid-container">
            <div class="card">
                <h3>Kartu 1</h3>
                <p>Desktop: Kolom 1</p>
            </div>
            <div class="card">
                <h3>Kartu 2</h3>
                <p>Desktop: Kolom 2</p>
            </div>
            <div class="card">
                <h3>Kartu 3</h3>
                <p>Desktop: Baris 2, Kolom 1</p>
            </div>
            <div class="card">
                <h3>Kartu 4</h3>
                <p>Desktop: Baris 2, Kolom 2</p>
            </div>
        </div>
    </section>

CSS

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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f4f7f6;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 40px;
        }

        h2 { color: #2c3e50; margin-bottom: 10px; }

        /* --- BAGIAN 1: TOMBOL INTERAKTIF --- */
        .interactive-btn {
            background-color: #3498db; /* Biru */
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 18px;
            font-weight: bold;
            border-radius: 8px;
            cursor: pointer;

            /* TRANSITION: Kunci kehalusan animasi */
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }

        /* Pseudo-class: HOVER */
        .interactive-btn:hover {
            background-color: #2ecc71; /* Hijau */
            transform: scale(1.1); /* Membesar 10% */
            box-shadow: 0 10px 20px rgba(46, 204, 113, 0.4); /* Bayangan hijau */
        }

        /* Pseudo-class: ACTIVE (Saat diklik) */
        .interactive-btn:active {
            transform: scale(0.95); /* Mengecil sedikit saat ditekan */
        }

        /* --- BAGIAN 2: GRID RESPONSIVE --- */
        .grid-container {
            display: grid;
            width: 100%;
            max-width: 600px;
            gap: 20px; /* Jarak antar kartu */

            /* DEFAULT (DESKTOP): 2 Kolom */
            grid-template-columns: repeat(2, 1fr);
        }

        .card {
            background: white;
            padding: 30px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            border-left: 5px solid #9b59b6;
            transition: transform 0.3s;
       ...