html,
body {
    height: 100vh;
    width: 100vw;
    margin: 0;
    padding: 0;
    background-color: #09122C;
    overflow: hidden;
}

h1 {
    margin-bottom: 2rem;
    color: #ffffff;
}

body {
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    flex-direction: column;
}

h1,
.container {
    position: relative;
    top: -2rem;
}

.container {
    transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
    padding: 3rem;
    text-align: center;
    background-color: #FFF6DA;
    border-radius: 6px;
    opacity: 1;
    transform: scale(1);
}

.container.hidden {
    opacity: 0;
    transform: scale(0.95);
}

#result {
    font-size: 24px;
    margin-top: 20px;
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
    color: #09122C;
    text-align: center;
    font-weight: bolder;
    font-size: xx-large;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border: 2px solid #09122C;
    border-radius: 9px;
    background-color: F5F5F5;
    color: #09122C;
    font-weight: bolder;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: moveStar 5s linear infinite;
}

.loveheart {
    position: absolute;
    top: 2rem;
    left: 1rem;
    rotate:-30deg;
    font-size: xx-large;
}

@keyframes moveStar {
    0% {
        transform: translateY(0) translateX(0);
    }

    100% {
        transform: translateY(100vh) translateX(100vw);
    }
}