index.css

.wp-sjs-plugin .surveys-list table thead td {
    font-weight: bold;
}

.wp-sjs-plugin .surveys-list table td:nth-child(2) {
    width: 50%;
}

.wp-sjs-plugin .sv_button_link {
    color: #1ab394;
    width: 100px;
    display: inline-block;
    padding: 6px 12px;
    cursor: pointer;
    text-align: center;
}

.wp-sjs-plugin .sv_button_link:hover,
.wp-sjs-plugin .sv_button_link:visited:hover {
    background-color: #1ab394;
    border-color: #1ab394;
    color: #fff;
    border-radius: 2px;
    text-decoration: none;
}

.wp-sjs-plugin .sv_button_link:visited {
    color: #1ab394;
}

.wp-sjs-plugin .sv_button_link.sv_button_delete {
    color: #ec2626;
}

.wp-sjs-plugin .sv_button_link.sv_button_delete:hover {
    background-color: #ec2626;
    color: #fff;
}

.wp-sjs-plugin #wpSjsResultsTable td {
    cursor: pointer;
}

.wp-sjs-plugin .sv_body {
    overflow: scroll;
}