body {
    background-color: black;
    color: white;
    font-family: 'Helvetica', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.container {
    text-align: center;
    z-index: 1;
}

h1 {
    font-size: 3em;
    margin-bottom: 0.5em;
}

.catchphrase {
    font-size: 1.2em;
    margin-bottom: 2em;
}

.button {
    display: inline-block;
    padding: 0.75em 1.5em;
    margin: 0.5em;
    border: 2px solid white;
    border-radius: 25px;
    text-decoration: none;
    color: white;
    font-size: 1.1em;
    transition: background-color 0.3s, color 0.3s;
}

.button:hover {
    background-color: white;
    color: black;
}

.portal {
    font-weight: bold;
    font-size: 1.5em;
}

.gallery {
    font-size: 1.1em;
}