Sample CSS to style your panviva documents.

panviva-document.css

/* -- Only for Print Media, NOT change to LESS-- */
/* Heading */

div.documents {
    font-family: 'Raleway', sans-serif;
    padding: 0px 50px;
}

.documents h1 {
    font-size: 1.2em;
    line-height: 1.4em;
    font-weight: normal;
    padding-bottom: 9px;
    margin-bottom: 10px
}

.documents h2 {
    font-size: 2em;
    font-weight: bold;
    margin-bottom: 50px;
}

.documents p.pv-paragraph {
    color: #555454;
    font-size: 0.875em;
    line-height: 1.85em;
    margin-bottom: 20px;
    margin-top: 5px;
}

.documents .pv-section {
    font-weight: bold;
    font-size: 1.7em;
    line-height: 1.4em;
    border-bottom: 2px solid #f6ba18;
    margin: 30px 0px 20px 0px;
}

.documents p.pv-header {
    font-weight: bold;
    color: #000;
    font-size: 1.2em;
    line-height: 1.4em;
    margin-top: 10px;
    /*Everything past this point is over-ridden from the default h1*/
    padding-bottom: 0px;
    border-bottom: 0px;
    margin-bottom: 0px
}

.documents p.pv-sub-header {
    color: #000;
    font-size: 1em;
    line-height: 2em;
    text-transform: uppercase;
    font-weight: 700;
    margin-top: 5px;
}

.documents p.pv-bullet, .documents p.pv-sub-bullet {
    color: #555454;
    list-style: disc outside none;
    display: list-item;
    margin: 10px 10%;
    line-height: 1.5em;
    text-indent: -6px;
    margin-left: 27px;
}

.documents p.pv-sub-bullet {
    margin-left: 37px;
    line-height: 1.4em;
    font-size: 0.8em;
}

.documents .pv-italic {
    font-style: italic;
    color: #d72121;
    font-size: 15px;
}

/* Generic Table Style */
.documents table {
    border-collapse: collapse;
    border-spacing: 0;
    background-color: #e9e9e9;
    width: 100%;
    border-top: 1px solid #cacaca;
    margin-bottom: 20px;
    margin-top: 10px;
}

.documents table td {
    padding: 3px 8px;
    border: 1px solid #cacaca;
    height: 20px;
}

.documents table td p.paraSubHeader {
    margin: 0;
}

.documents table td ol.number li {
    margin: 0;
}

.documents table[cell_alignment=Fixed] {
table-layout: fixed;
}

.documents .pv-table .pv-table-row .pv-table-cell .pv-paragraph[data-align='right'] {
    text-align: right;
}

.documents .pv-table .pv-table-row .pv-table-cell .pv-paragraph[data-align='left'] {
    text-align: left;
}

.documents .pv-table .pv-table-row .pv-table-cell .pv-paragraph[data-align='center'] {
    margin: 0px auto;
    text-align: center;
}

.documents .tableHeaderBelowIE9 {
    background-color: #6f8298;
    font-weight: bold;
}

    .documents .tableHeaderBelowIE9 p {
        color: #ffffff;
        margin-bottom: 0;
    }
/* Table for pv-table*/
.documents table.pv-table {
    background-color: #efefef;
    table-layout: fixed;
    /* For alternating row color */
}

.documents table.pv-table tbody {
    border: none !important;
}

    .documents table.pv-table tr.pv-table-row[data-header='true'] {
        background-color: #13A0B2;
        font-weight: 700;
        color: #fff;
    }

    .documents table.pv-table tr.pv-table-row[data-header='true'] .pv-table-cell {
        background-color: #13A0B2;
        font-weight: 700;
        color: #fff;
    }

.documents table.pv-table tr.pv-table-row[data-header='true'] p {
    color: #fff;
}

.documents table.pv-table tr.pv-table-row .pv-paragraph {
    margin: 0;
    line-height: 1.5em;
}

.documents table.pv-table tr.pv-table-row[data-header='true'][data-hidden='true'] {
    display: none;
}

.documents table.pv-table tr.odd {
    background-color: #f7f6f6;
}

td.pv-quicklinks-cell {
    border: none !important;
}

.pv-quicklinks-container > .pv-quicklinks-image, .pv-quicklinks-container > .pv-quicklinks-label {
    float: left;
    clear: left;
}

.documents .pv-task-header {
    font-size: 1.3em;
    color: #000;
    line-height: 2em;
    border-bottom: 5px solid #dadada;
    font-weight: bold;
}

.documents div.pv-task-details {
    border-collapse: collapse;
    border-spacing: 0;
    border-radius: 5px;
    background-color: #e9e9e9;
    max-width: 40%;
    margin-bottom: 10px;
}

/*icons in taskes*/
.documents div.pv-task-details > p.pv-who {
    border: 1px solid #cacaca;
    background-color: #efefef;
    padding-left: 5px;
}

.documents div.pv-task-details > p.pv-menupath {
    border: 1px solid #cacaca;
    background-color: #f7f6f6;
    padding-left: 5px;
}

.documents div.pv-task-details > p.pv-shortcut {
    border: 1px solid #cacaca;
    background-color: #efefef;
    padding-left: 5px;
}

.documents div.pv-task-details > p.pv-trans {
    border: 1px solid #cacaca;
    background-color: #f7f6f6;
    padding-left: 5px;
}

/*image style*/
.documents img.pv-image {
    margin: 0;
    padding: 0;
    border: 0;
    height: auto;
    max-width: 100%;
    display: inline-block;
    vertical-align: baseline;
}

/*Secondary Window CSS*/
.documents .pv-secondary-window {
    border: 2px solid #c4c1c1;
    padding: 10px;
    background: #eaeaea;
    height: auto;
    color: #000;
    width: 100% !important;
    margin: 20px auto;
    -ms-word-wrap: break-word;
    word-wrap: break-word;
}

.documents .pv-secondary-window-title {
    border-bottom: 5px solid #dadada;
    font-weight: bold;
}

.documents .pv-secondary-window-link-container {
    display: none;
}

/*Buttonise*/
.documents .pv-buttonise button img{
    display:inline;
}

.documents span.pv-bold {
    font-weight: 700;
}

.documents td.pv-table-cell {
    background: #fff;
}

.documents td.pv-table-cell.apply-cell {
    background: #fff;
    border: none;
    text-align: center;
    padding-top: 20px;
}