body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #333;
    color: #00FF00;
    font-family: 'Poiret One', cursive;
}

.frame {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 30vw;
    height: 30vw;
    border: 4px solid #00FF00;
    transition: border-color 0.3s ease;
}


.letter {
    font-size: 15vw;
    transition: color 0.3s ease;
}

.frame:hover {
    border-color: #66FF66;
}

.frame:hover .letter {
    color: #66FF66;
}

.demos {
    text-align: center;
    font-size: 1.2vw;
    font-weight: bold;
    color: #00FF00;
}

.demos a {
    color: #00FF00;
    text-decoration: underline;
}

.demos a:hover {
    opacity: 0.8;
}

.mushvig_number {
    text-align: center;
}

.mushvig_number p {
    line-height: 3vw;
    font-weight: bold;
    color: #333;
}


#number {
    text-align: center;
    font-weight: bold;
    color: #333;
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #00FF00;
    background: linear-gradient(transparent, rgba(20, 20, 20, 0.3));
}