seo-tool.css

.ao-seo-tool {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    min-height: 100%;
    font-family: Arial, sans-serif;
}

.ao-seo-tool-container {
    position: relative;
    min-height: 400px;
    background: #f7f7f7;
    color: #222;
}

.ao-seo-tool-container::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 180px;
    background: #222;
    z-index: 0;
}

.ao-seo-tool-close {
    position: absolute;
    top: 15px;
    right: 15px;
    display: inline-block;
    padding: 10px 12px;
    background: #9e0000;
    color: #fff;
    border: 0;
    text-decoration: none;
    line-height: 1;
    cursor: pointer;
    font-size: 14px;
    border-radius: 1000px;
}

.ao-seo-tool-close:hover {
    background: #ae0000;
}

.ao-seo-tool-navigation {
    position: relative;
    z-index: 1;
    float: left;
    width: 180px;
    padding: 10px 0;
    color: #fff;
}

.ao-seo-tool-tab-dashboard {
    margin-left: 210px;
    padding: 70px 30px 30px 0;
}

.ao-seo-tool-title {
    padding: 10px 15px;
    font-size: 22px;
    font-weight: 600;
}

.ao-seo-tool-tabs {
    margin: 10px 0;
    border-top: 1px solid #333;
}

.ao-seo-tool-tab {
    position: relative;
    padding: 12px 15px;
    border-bottom: 1px solid #333;
    cursor: pointer;
}

.ao-seo-tool-tab:hover {
    background: #2f2f2f;
}

.ao-seo-tool-tab::before {
    margin-right: 10px;
}

.ao-seo-tool-tab.valid::before {
    content: '\2714';
    color: #4CAF50;
}

.ao-seo-tool-tab.invalid::before {
    content: '\274C';
    font-size: 13px;
    color: #9e0000;
}

.ao-seo-tool-tab.active::after {
    position: absolute;
    top: 50%;
    right: -1px;
    content: '';
    width: 0;
    height: 0;
    margin-top: -8px;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 8px solid #f7f7f7;
}

.ao-seo-tool-tab-content {
    display: none;
}

.ao-seo-tool-tab-content.active {
    display: block;
}

.ao-seo-tool-table {
    display: table;
    width: 100%;
    padding: 20px 0;
    font-size: 14px;
}

.ao-seo-tool-table-row {
    display: table-row;
}

.ao-seo-tool-table-cell,
.ao-seo-tool-table-head {
    display: table-cell;
    vertical-align: middle;
    padding: 10px;
    border-bottom: 1px solid #ddd;
}

.ao-seo-tool-table-cell img {
    display: block;
    max-width: 100px;
    max-height: 100px;
    margin: auto;
}

.ao-seo-tool-table-head {
    font-weight: 600;
}

.ao-seo-tool-link {
    color: #008CBA;
    text-decoration: underline;
    cursor: pointer;
}

.ao-seo-tool-link:hover {
    text-decoration: none;
}