body {
    background-color: whitesmoke;
}

#get_started {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #80ddff;
    z-index: 1;
}

#get_started button {
    border: transparent;
    background-color: #3c4043;
    border-radius: 20px;
    padding: 10px;
    color: #fff;
    font-size: 20px;
    margin-bottom: 20px;
}

#get_started > p {
    color: #222C58;
}

h1 {
    font-size: 80px;
    font-weight: 900;
    margin: 0;
    margin-bottom: 20px;
    text-align: center;
    color: #fff;
    text-shadow: 4px 4px 2px rgb(0, 0, 0, 0.6);
}

h2 {
    font-size: 30px;
    font-weight: 900;
    color: #222C58;
}

p {
    font-size: 20px;
    line-height: 1.5;
    margin-left: 10%;
    margin-right: 10%;
}

#description {
    margin-top: calc(60vh + 60px);
}

#description, #tutorial {
    position: relative;
    padding-top: 30px;
    padding-bottom: 30px;
    padding-left: 10%;
    padding-right: 10%;
    display: flex;
    flex-direction: column;
    background-color: whitesmoke;
    z-index: 2;
}

#description > div {
    display: flex;
    flex-direction: row;
}

#description > div p, #tutorial > p {
    text-align: justify;
}

img {
    height: auto;
    width: auto;
    object-fit: contain;
}

iframe {
    margin-top: 5%;
    align-self: center;
    height: auto;
    width: 60%;
    aspect-ratio: 16 / 9;
    border: transparent;
}

@keyframes opacity {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

#get_started, #description, #tutorial {
    animation: opacity;
    animation-duration: 2s;
    animation-fill-mode: forwards;
}