.preview_main
{
    position: fixed;
    display: inline-block;
    top: 5%;
    height: 85%;
    left: 10%;
    width: 80%;
    background-color: #fff;
}

.preview_fileplace_title
{
    font-size: 150%;
    color: #fff;
    background-color: #4d5e76;
    padding: 10px;
    height: 25px;
    overflow: none;
}

.preview_icones
{
    position: relative;
    float: left;
    width: 8%;
    height: 100%;
    max-height: calc(100% - 45px);
    overflow: none;
    overflow-y: auto;
    background-color: #eee;
}

.preview_fileplace
{
    position: relative;
    float: right;
    width: calc(92% - 5px);
    height: calc(100% - 45px);
}

.preview_object
{
    margin: 5px;
    margin-left: 10px;
    margin-right: 10px;
    padding: 10px;
    aspect-ratio: 1 / 1;
    width: calc(100% - 44px);
    float: left;
    display: inline-block;
    background-color: #fff;
}

.preview_file_meta
{
    position: absolute;
    left: 0;
    bottom: 10px;
    width: calc(100% - 10px);
    display: inline-block;
    border: 1px solid #eee;
}

.preview_file_meta_bg
{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-color: #fff;
    opacity: 0.3;
}

.preview_file_title
{
    position: relative;
    max-width: calc(100% - 20px);
    padding: 10px;
    text-align: center;
    text-shadow: 0 0 20px #fff, 0 0 15px #fff, 0 0 10px #fff, 0 0 7px #fff, 0 0 5px #fff, 0 0 3px #fff, 0 0 2px #fff;
}



@media all and (max-width: 1440px)
{
    .preview_main
    {
        position: fixed;
        left: 10%;
        width: 80%;
    }
    
    .preview_icones
    {
        position: relative;
        float: left;
        width: 10%;
        height: 100%;
        max-height: calc(100% - 45px);
        overflow: none;
        overflow-y: auto;
    }

    .preview_fileplace
    {
        position: relative;
        float: right;
        width: calc(90% - 5px);
        height: calc(100% - 45px);
    }
}

@media all and (max-width: 1040px)
{
    .preview_main
    {
        position: fixed;
        left: 5%;
        width: 90%;
    }
}

@media all and (max-width: 840px)
{
    .preview_icones
    {
        position: relative;
        float: none;
        width: auto;
        height: 25%;
        max-width: 100%;
        overflow: none;
        overflow-x: auto;
    }

    .preview_fileplace
    {
        position: relative;
        float: none;
        width: auto;
        height: calc(75% - 45px);
        margin-bottom: 5px;
    }
    
    .preview_object
    {
        margin: 5px;
        aspect-ratio: 1 / 1;
        height: calc(50% - 44px);
        width: auto;
        float: left;
        display: inline-block;
    }
}