index.css

body {
    background-image: url("language-icon-lvl-2-abstract-bg.png.rendition.intel.web.864.486.png");
    background-size: cover;
    font-family: 'Open Sans', 'Helvetica Neue', sans-serif;
    text-align: center;
    height: 100vh;
}
.container {
    background: white;
    max-width: 80%;
    margin: auto;
    border: 3px solid black;
    border-radius: 10px;
}

h1 {
    margin-top: 10px;
    margin-bottom: 10px;
}

h2 {
    font-size: 50px;
    margin-top: 0;
    margin-bottom: 20px;
}

button {
    border: 2px solid black;
    padding-top: 10px;
    padding-bottom: 10px;
    color: white;
    font-weight: bold;
    width: 200px;
    margin-bottom: 5px;
    border-radius: 5px;
}

#increment-btn {
    background: rgb(0, 26, 255);
}

#save-btn {
    background: darkgreen;
}
#download-btn {
    background: rgb(158, 19, 171);
    position: relative;
    top: 140px; left: -250px;
}

#save-el {
    font-weight: bold;
}