* {
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
}

.swiper-container {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    overflow: hidden;
}

.swiper-pagination {
    padding: 4px;
    border-radius: 8px;
    background-color: rgba(0, 0, 0, 0.65);
    box-shadow: 0 0 10px 2px rgba(255, 255, 255, 1);
}

.swiper-pagination-bullet {
    background-color: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.swiper-pagination-bullet-active {
    background-color: #fff;
    box-shadow: 0 0 4px 2px rgba(255, 255, 255, 0.5);
}

#pond {
    margin: -25px;
    width: calc(100% + 50px);
    height: calc(100% + 50px);
    background-image: url('./water.jpg');
    background-size: cover;
    background-position: center;
}

#box {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 500px;
    height: 500px;
    background-color: #fff;
    background-image: linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%),
        linear-gradient(45deg, #ccc 25%, transparent 25%, transparent 75%, #ccc 75%);
    background-size: 32px 32px;
    background-position: 0 0, 16px 16px;
}