app.css

@import url('https://fonts.googleapis.com/css2?family=Parisienne&display=swap');

* {
    text-underline-offset: 4px;
}

html {
    background-color: #d0d5d5;
}

body {
    margin: 0;
}

#flash-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999;
    pointer-events: none;
    transition: background 3s;
}

#flash-overlay.active {
    background: #ffffffaa;
    transition: background 0.1s
}

#polaroid-img {
    opacity: 0;
}

#polaroid-camera {
    width: 500px;
    height: 500px;
    margin: auto;
    margin-top: 32px;
    background-image: url(./assets/image.png);
    background-repeat: no-repeat;
    background-size: 100%;
    opacity: 0;
}

#polaroid-picture-wrapper {
    overflow: hidden;
    position: absolute;
    width: 400px;
    height: calc(400px * 1.2);
}

#polaroid-picture {
    opacity: 0;
    box-shadow: inset 0 15px 29px -15px black;

    position: relative;
    top: -100%;
    transition: top 0.3s;

    background-color: #f2f3f4;
    font-family: "Parisienne", serif;

    display: flex;
    flex-direction: column;
}

#polaroid-picture.open {
    top: 0;
    transition: top 1.75s linear;
}

.polaroid-picture-img {
    width: 360px;
    height: 360px;
    margin: 20px 20px 0 20px;
    outline: black 2px solid;
    background-image: url(https://pbs.twimg.com/media/BG48ENgCEAAIDl9.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    background-position: center;
}

.polaroid-picture-subtitle {
    font-size: 1.6rem;
    margin: 6px 0 0 60px;
}


.polaroid-picture-subtitle>h2 {
    margin: 0;
}


.polaroid-picture-subtitle>h2:nth-of-type(2) {
    padding-left: 20px;
}

.cameraBtn {
    background: crimson;
    border: none;
    position: absolute;
    opacity: 0;
}

.cameraBtn:active {
    background: firebrick;
}