body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
    background-color: #ff69b4;
}

.container {
    position: relative;
    width: 100%;
    height: 100%;
}

h1 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #f9e1b6;
    font-weight: bold;
    font-size: 36px;
    font-family: 'Fredoka One', cursive;
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.sesame-seed {
    position: absolute;
    width: 75px;
    height: 75px;
    background-image: url('images/szezam.png');
    background-size: cover;
    animation: falling 3s linear infinite;
}

@keyframes falling {
    0% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}