.bc_screen {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    opacity: 0;
    text-align: center;
}

.bc_screen h2 {
    font-size: 1.875rem;
    line-height: 2.25rem;
    margin-bottom: 1rem;
}

.fade-in {
    animation: fadeIn 0.5s ease-in forwards;
}

.fade-out {
    animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

#s3 img {
    height: 85svh;
    width: auto;
    margin: 0 auto;
}

.return-home-btn {
    display: inline-block;
    background-color: #4B5563;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 9999px;
    font-size: 1.125rem;
    margin-top: 2rem;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.return-home-btn:hover {
    background-color: #374151;
}

.return-home-btn:active {
    transform: scale(0.98);
}

.bc_screen h2 {
    font-size: 56px;
    line-height: 1.5;
}

#s1.bc_screen h2 {
    font-size: 72px;
}