* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    font-size: 16px;
    padding: 20px;
}

p {
    font-size: 18px;
}

body > h1:first-child {
    margin-top: 20px;
}

h1, h2 {
    text-align: center;
    margin: 50px;
}

h4 {
    text-align: center;
    margin-top: 50px;
}

input, button {
    cursor: pointer;
}

#efnn_img_container {
    margin: 0 auto;
    max-width: 1200px;
}

#efnnsvg {
    width: 1200px;
    margin: 100px auto;
    display: block;
}

p {
    text-align: center;
}

#download_buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 100px;
    /* justify-items: center; */
    max-width: max-content;
    margin: 100px auto;
}

#download_buttons > a {
    display: grid;
    grid-template-columns: max-content auto;
    grid-gap: 30px;
    align-items: center;
}

#download_buttons a, #download_buttons a:visited {
    color:#212529;
    text-decoration: none;
}

#download_buttons img {
    width: 70px;
}

.samplechooser_container, .results  {
    margin: 0 auto;
    max-width: 1000px;
}

.samplechooser_elem {
    display: grid;
    grid-template-columns: max-content auto;   
    grid-gap: 20px;
    align-items: center;
    margin-bottom: 30px;
    user-select: none;
    cursor: pointer;
}

.samplechooser_elem div {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(3, 1fr);
}


.samplechooser_elem img, #input img, #output img, #efnnsvg {
    object-fit: cover;
    width: 100%;
    user-select: none;
}

button {
    padding: 8px 50px;
    font-weight: 800;
    font-size: 18px;
    background: #212529;
    color: #fff;
    border-radius: 12px;
    outline: none;
    margin: 0 auto;
    display: block;
    border: none;
    transition: 0.3s;
}

button:hover {
    background: #2e2e2e;
    transition: 0.3s;
}

.results h4 {
    margin: 5px;
}

#input {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 50px;
}

#output {
    display: grid;
    grid-gap: 10px;
    grid-template-columns: repeat(2, 1fr);
}

#upload_container {
    display: grid;
    grid-template-columns: auto max-content;
    grid-gap: 20px;
    align-items: center;
    padding-top: 20px;
    margin-bottom: 100px;
}

#upload_container > div {
    display: grid;
    grid-template-columns: repeat(2, auto);
    grid-gap: 20px;
}

#upload_container > button {
    width: max-content;
    height: max-content;
}

.loading_overlay {
    display: none;
    align-content: center;
    position: fixed;
    top: 0;
    left: 0;
    cursor: progress;
    width: 100%;
    height: 100%;
    /* background: rgba(255, 255, 255, 0.212); */
}

.loading_overlay > div {
    display: grid;
    justify-content: center;
    align-content: center;
    border-radius: 15px;
    height: 100px;
}

.loading_overlay img {
    width: 100px;
    background: white;
    border-radius: 10px;
    padding: 20px;
    border: 1px solid #212529;
}

#upload_title {
    margin-top: 100px;
}

.sample_title {
    font-weight: 800;
    font-size: 30px;
    text-align: center;
    padding: 150px 0 20px 0;
}

#test_it_now_btn {
    margin: 0 auto;
    width: max-content;
}

#test_it_now_btn > a, 
#test_it_now_btn > a:visited {
    display: grid;
    grid-template-columns: max-content auto;
    grid-gap: 30px;
    align-items: center;
    color: #212529;
    text-decoration: none;
}

#test_it_now_btn img {
    width: 70px;
}


@media only screen and (max-width: 1000px) {
    #download_buttons {
        grid-template-columns: 1fr;
    }       
}