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

body {
    font-family: 'Poppins', 'Arial', sans-serif;
    background: linear-gradient(135deg, #87CEEB 0%, #98D8E8 50%, #B0E0E6 100%);
    overflow: hidden;
    height: 100vh;
    touch-action: manipulation;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    position: relative;
}

body.dark-theme {
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
}

/* Cloud Animation for Light Mode */
.clouds {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    opacity: 0.6;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

body.dark-theme .clouds {
    opacity: 0;
}

.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50px;
    opacity: 0.5;
}

.cloud:before {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50px;
}

.cloud:after {
    content: '';
    position: absolute;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50px;
}

.cloud1 {
    width: 80px;
    height: 30px;
    top: 20%;
    animation: moveCloud 25s infinite linear;
}

.cloud1:before {
    width: 50px;
    height: 50px;
    top: -25px;
    left: 10px;
}

.cloud1:after {
    width: 60px;
    height: 40px;
    top: -15px;
    right: 15px;
}

.cloud2 {
    width: 60px;
    height: 25px;
    top: 40%;
    animation: moveCloudReverse 30s infinite linear;
    animation-delay: -8s;
}

.cloud2:before {
    width: 40px;
    height: 40px;
    top: -20px;
    left: 8px;
}

.cloud2:after {
    width: 50px;
    height: 35px;
    top: -10px;
    right: 12px;
}

.cloud3 {
    width: 70px;
    height: 28px;
    top: 60%;
    animation: moveCloud 35s infinite linear;
    animation-delay: -15s;
}

.cloud3:before {
    width: 45px;
    height: 45px;
    top: -22px;
    left: 12px;
}

.cloud3:after {
    width: 55px;
    height: 38px;
    top: -12px;
    right: 18px;
}

/* Stars Animation for Dark Mode */
.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

body.dark-theme .stars {
    opacity: 0.8;
}

.star {
    position: absolute;
    background: #fff;
    border-radius: 50%;
    animation: twinkle 3s infinite;
}

.star:nth-child(1) { top: 10%; left: 20%; width: 2px; height: 2px; animation-delay: 0s; }
.star:nth-child(2) { top: 20%; left: 80%; width: 1px; height: 1px; animation-delay: 0.5s; }
.star:nth-child(3) { top: 30%; left: 40%; width: 2px; height: 2px; animation-delay: 1s; }
.star:nth-child(4) { top: 40%; left: 70%; width: 1px; height: 1px; animation-delay: 1.5s; }
.star:nth-child(5) { top: 50%; left: 10%; width: 2px; height: 2px; animation-delay: 2s; }
.star:nth-child(6) { top: 60%; left: 90%; width: 1px; height: 1px; animation-delay: 2.5s; }
.star:nth-child(7) { top: 70%; left: 30%; width: 2px; height: 2px; animation-delay: 0.3s; }
.star:nth-child(8) { top: 80%; left: 60%; width: 1px; height: 1px; animation-delay: 0.8s; }
.star:nth-child(9) { top: 15%; left: 50%; width: 2px; height: 2px; animation-delay: 1.3s; }
.star:nth-child(10) { top: 25%; left: 15%; width: 1px; height: 1px; animation-delay: 1.8s; }
.star:nth-child(11) { top: 35%; left: 85%; width: 2px; height: 2px; animation-delay: 0.2s; }
.star:nth-child(12) { top: 45%; left: 25%; width: 1px; height: 1px; animation-delay: 0.7s; }
.star:nth-child(13) { top: 55%; left: 75%; width: 2px; height: 2px; animation-delay: 1.2s; }
.star:nth-child(14) { top: 65%; left: 5%; width: 1px; height: 1px; animation-delay: 1.7s; }
.star:nth-child(15) { top: 75%; left: 95%; width: 2px; height: 2px; animation-delay: 2.2s; }

.game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2;
}

#gameCanvas {
    width: 100%;
    height: 100%;
    display: block;
    background: transparent;
    z-index: 2;
}

.ui-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    pointer-events: none; /* Allow clicks to pass through overlay */
}

.score, .best-score {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 15px 20px;
    color: white;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    pointer-events: auto; /* Re-enable pointer events for this element */
}

.score-label, .best-label {
    display: block;
    font-size: 12px;
    font-weight: bold;
    opacity: 0.8;
    margin-bottom: 5px;
}

.score-value, .best-value {
    display: block;
    font-size: 24px;
    font-weight: bold;
}

.game-title {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 15px; /* Added to align text vertically */
    pointer-events: auto;
    cursor: pointer;
}

.game-name {
    color: white;
    font-size: 18px;
    font-weight: 300;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    letter-spacing: 4px;
    opacity: 0.9;
}

.top-right-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.settings-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    pointer-events: auto; /* Re-enable pointer events for this element */
}

.mute-btn {
    position: absolute;
    bottom: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 50%;
    color: white;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 15;
}

.mute-btn:hover, .settings-btn:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    transform: scale(1.1);
}

.mute-btn:active, .settings-btn:active {
    transform: scale(0.95);
}

.start-screen, .game-over-screen, .settings-screen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.start-screen.hidden, .game-over-screen.hidden, .settings-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.start-content, .game-over-content, .settings-content {
    text-align: center;
    color: white;
    padding: 50px 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    max-width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    /* Hide scrollbar */
    scrollbar-width: none; /* For Firefox */
    -ms-overflow-style: none;  /* For Internet Explorer and Edge */
}

.start-content h1 {
    font-size: 3.5rem;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #f093fb, #f5576c);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 4s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
    font-weight: 300;
    letter-spacing: 4px;
}

.start-screen-icon {
    width: 120px;
    height: 120px;
    margin: 10px auto 30px;
    border-radius: 24px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    display: block;
}

.game-over-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #ff6b6b;
}

.settings-content h2 {
    font-size: 2.2rem;
    margin-bottom: 35px;
    color: #4ecdc4;
    text-shadow: 0 0 20px rgba(78, 205, 196, 0.3);
}

.instructions {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
}

.start-btn, .restart-btn, .settings-btn-main, .back-btn {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 18px 45px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.start-btn:hover, .restart-btn:hover, .settings-btn-main:hover, .back-btn:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.5), rgba(118, 75, 162, 0.5));
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.start-btn:active, .restart-btn:active, .settings-btn-main:active, .back-btn:active {
    transform: translateY(0);
}

.view-tower-btn {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.3), rgba(69, 183, 209, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 18px 45px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.view-tower-btn:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.5), rgba(69, 183, 209, 0.5));
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.view-tower-btn:active {
    transform: translateY(0);
}

.tower-view-controls {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 101;
}

.tower-view-controls.hidden {
    display: none;
}

.back-from-view-btn {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.3), rgba(245, 87, 108, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 18px 45px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.back-from-view-btn:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.5), rgba(245, 87, 108, 0.5));
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.3);
}

.back-from-view-btn:active {
    transform: translateY(0);
}

.final-score {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #4ecdc4;
}

.encouragement {
    font-size: 1rem;
    margin-bottom: 25px;
    opacity: 0.8;
}

.pre-game-screen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.pre-game-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.pre-game-content {
    text-align: center;
    color: white;
    padding: 50px 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    max-width: 90%;
    position: relative;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    /* Hide scrollbar */
    scrollbar-width: none; /* For Firefox */
    -ms-overflow-style: none;  /* For Internet Explorer and Edge */
}

.pre-game-content .setting-item {
    flex-wrap: wrap;
    justify-content: center;
}

.pre-game-content .setting-label {
    width: 100%;
    margin-bottom: 15px;
    text-align: left;
}

.pre-game-content .difficulty-selector {
    width: 100%;
    justify-content: center;
}

.pre-game-content h2 {
    font-size: 2.2rem;
    margin-bottom: 35px;
    color: #4ecdc4;
    text-shadow: 0 0 20px rgba(78, 205, 196, 0.3);
}

.start-game-confirm-btn {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.3), rgba(69, 183, 209, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 18px 45px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.start-game-confirm-btn:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.5), rgba(69, 183, 209, 0.5));
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.back-from-options-btn {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.3), rgba(245, 87, 108, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 12px 30px;
    font-size: 14px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 5px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.difficulty-selector {
    display: flex;
    gap: 10px;
}

.difficulty-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: white;
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.difficulty-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.difficulty-btn.active {
    background: linear-gradient(45deg, #4ecdc4, #45b7d1);
    border-color: #4ecdc4;
    font-weight: bold;
    box-shadow: 0 0 15px rgba(78, 205, 196, 0.3);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 25px 0;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.2s ease;
}

.setting-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.setting-label {
    font-size: 17px;
    color: white;
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    width: 65px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.toggle-switch.active {
    background: linear-gradient(45deg, #4ecdc4, #45b7d1);
    box-shadow: 0 0 20px rgba(78, 205, 196, 0.3);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 26px;
    height: 26px;
    background: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(33px);
}

.install-btn {
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.3), rgba(69, 183, 209, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 25px;
    cursor: pointer;
    margin: 10px;
    display: none;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.footer {
    position: fixed;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
    text-align: center;
    z-index: 5;
    padding: 8px 16px;
    border-radius: 15px;
    transition: background 0.3s ease, color 0.3s ease;
    width: fit-content;
}

body:not(.dark-theme) .footer {
    background: none;
    color: #4a4a4a;
}

.footer a {
    color: #4ecdc4;
    text-decoration: none;
}

.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 20;
}

.close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.close-btn:active {
    transform: scale(0.95);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal.show {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    color: white;
    max-width: 90%;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.modal-buttons {
    margin-top: 20px;
}

.modal-btn {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.3), rgba(78, 205, 196, 0.3));
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 10px 25px;
    margin: 0 10px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.volume-slider {
    width: 100px;
    height: 5px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 5px;
    outline: none;
    -webkit-appearance: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 15px;
    height: 15px;
    background: #4ecdc4;
    border-radius: 50%;
    cursor: pointer;
}

@keyframes moveCloud {
    0% { transform: translateX(-100px); }
    100% { transform: translateX(calc(100vw + 100px)); }
}

@keyframes moveCloudReverse {
    0% { transform: translateX(calc(100vw + 100px)); }
    100% { transform: translateX(-100px); }
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes shootingStar {
    0% {
        transform: translateX(0) translateY(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100vw + 100px)) translateY(50px);
        opacity: 0;
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* For Webkit-based browsers (Chrome, Safari, etc.) */
.start-content::-webkit-scrollbar,
.game-over-content::-webkit-scrollbar,
.settings-content::-webkit-scrollbar,
.pre-game-content::-webkit-scrollbar,
.modal-content::-webkit-scrollbar {
    display: none;
}

@media (max-width: 480px) {
    .ui-overlay {
        padding: 15px;
    }
    
    .score, .best-score {
        padding: 10px 15px;
    }
    
    .score-value, .best-value {
        font-size: 20px;
    }
    
    .start-content h1 {
        font-size: 2.5rem;
    }
    
    .start-content, .game-over-content, .settings-content {
        padding: 30px 20px;
    }
}