html,
body {
    height: 100vh;
    margin: 0;
}

body {
    background: #e8f5e9;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.app-frame {
    position: relative;
    width: 100vw;
    height: 100vh;
    margin: 0;
    background-image: url('../img/weolcome.png');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    box-shadow: 0 4px 24px rgba(155, 92, 255, 0.13);
    display: flex;
    align-items: center;
    justify-content: center;
}


@media (min-width: 621px) {
    .app-frame {
        max-width: 620px;
        margin: 0 auto;
		max-height: 100%;
    }
}

@media (max-width: 620px) {
    .app-frame {
        background-size: contain;
    }
}
#welcome-frame {
    width: 100%;
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    padding: 30px 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    transform: translateY(-200%);
    opacity: 0;
}

#welcome-frame p {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

#start-button {
    padding: 15px 30px;
    font-size: 1.1rem;
    background: #4caf50;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}


#welcome-frame.drop {
    animation: drop 1s ease-out forwards;
}

@keyframes drop {
    0% {
        transform: translateY(-200%);
        opacity: 0;
    }
    80% {
        transform: translateY(0);
        opacity: 1;
    }
    90% {
        transform: translateY(20px);
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}