:root {
    --site-background-color: #f4f4f4;
    --site-font-family: 'Montserrat';
    --bkg-principal: rgb(16,38,135);
    --bkg-principal-gradient: linear-gradient(90deg, rgba(16,38,135,1) 20%, rgba(0,188,168,1) 100%);
}

body {
    background-color: var(--site-background-color);
    font-family: var(--site-font-family);
    font-size: 16px;
}

form {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

form > div.sia-form-principal {
    flex: 1 1 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.sia-bar {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    background: var(--bkg-principal);
    background: var(--bkg-principal-gradient);
}

.sia-bar.sia-top {
    justify-content: space-between;
}

.sia-bar.sia-bottom {
    justify-content: center;
}

.sia-lnk-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-decoration: none;
    cursor: pointer;
}

.sia-lnk-btn > i {
    font-size: 30px;
    margin-right: 6px;
}

.sia-lnk-btn > span {
    position: relative;
    top: 2px;
    font-size: 18px;
}

.sia-lnk-btn:hover > span {
    text-decoration: underline;
}

.sia-logo {
    display: grid;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
}

.sia-logo-sia {
    max-width: 300px;
    width: 100%;
}

.sia-logo-sia > img {
    width: inherit;
    height: auto;
}

.sia-post-container {
    max-width: 768px;
    width: 100%;
    /*height: 580px;*/
    margin: 0px auto;
    padding: 10px;
    box-sizing: border-box;
    border-radius: 10px;
    background-color: white;
    box-shadow: 0 0 12px 0 rgba(0,0,0,.1), 0 10px 30px 0 rgba(0,0,0,.2);
}

.sia-lnk-download {
    padding: 4px;
    border-radius: 6px;
    background-color: #2196f3;
    transition: background-color 0.4s;
}

.sia-lnk-download:hover {
    background-color: #0074d1;
}

.sia-lnk-download:hover > span {
    text-decoration: none;
}

.sia-file-title {
    margin: 10px auto;
    font-size: 28px;
    text-align: center;
}

.sia-file-description {
    margin: 10px 0px;
    font-size: 18px;
}

.sia-file-date {
    display: inline-flex;
    padding: 4px;
    font-size: 14px;
    letter-spacing: 0.6px;
    border-radius: 6px;
    background-color: #ddd;
}

.sia-file-icon {
    margin: 10px auto;
}

.sia-file-icon > img {
    display: block;
    margin: 0px auto;
}

.sia-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0px;
    border: 0px;
    outline: none;
    background: initial;
    cursor: pointer;
}

.sia-btn-preview {
    margin: 10px 0px;
    width: 100%;
    padding: 4px;
    color: white;
    border-radius: 6px;
    background-color: #202020;
    transition: background-color 0.4s;
}

.sia-btn-preview > i {
    margin-right: 6px;
    color: white;
    font-size: 30px;
}

.sia-btn-preview:hover {
    background-color: #404040;
}

.sia-preview-container,
.sia-preview-frame,
.sia-preview-image,
.sia-preview-video,
.sia-preview-audio {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.sia-preview-container {
    margin: 10px 0px;
}

.sia-preview-frame > iframe {
    display: block;
    width: 100%;
    height: 40vh;
    margin: 0px auto;
    border: none;
    border-radius: 6px;
}

.sia-preview-image > img {
    width: inherit;
    height: auto;
    border-radius: 6px;
}

.sia-preview-video > video {
    width: inherit;
    border-radius: 6px;
}

.sia-preview-audio > audio {
    outline: none;
}

@media only screen and (max-width: 768px) {
    .sia-bar.sia-top {
        flex-direction: column;
    }

    .sia-bar.sia-top > a:first-child {
        align-self: flex-start;
    }

    .sia-bar.sia-top > a:last-child {
        align-self: flex-end;
    }
}