Just checked the zipped file
it has 2 files in the CSS folder
However_ am sure some CUSTOM css would help ??
here are the files below
cptui.css
.posttypesui .cptui-section:first-child, .taxonomiesui .cptui-section:first-child {
margin-top: 30px;
}
.cptui-table #excerpt {
display: inline-block;
height: 16px;
margin: 12px 4px 12px 0;
width: auto;
}
.cptui-table td.outter {
vertical-align: top;
width: 50%;
}
.cptui-table input[type=”text”],
.cptui-new .cptui-table textarea,
.cptui-edit .cptui-table textarea {
width: 50%;
}
.cptui-table .question:hover {
cursor: pointer;
}
.cptui-table th p {
font-weight: 400;
font-size: 12px;
}
.cptui-table .cptui-slug-details {
margin-top: 15px;
}
#support .question {
font-size: 18px;
font-weight: bold;
}
#support .question:before {
content: “\f139”;
display: inline-block;
font: normal 25px/1 ‘dashicons’;
margin-left: -25px;
position: absolute;
-webkit-font-smoothing: antialiased;
}
#support .question.active:before {
content: “\f140″;
}
#support .answer {
margin: 10px 0 0 20px;
}
#support ol li {
list-style: none;
}
#support li {
position: relative;
}
.required {
color: red;
}
.cptui-field-description {
font-style: italic;
}
#cptui_select_post_type,
#cptui_select_taxonomy {
margin-top: 15px;
}
.cptui_post_import,
.cptui_tax_import {
height: 200px;
margin-bottom: 10px;
resize: vertical;
width: 100%;
}
.cptui_post_type_get_code,
.cptui_tax_get_code {
height: 300px;
resize: vertical;
width: 100%;
}
.one-third {
width: 33%;
}
.valign {
vertical-align: top;
}
.about-wrap .cptui-feature {
overflow: visible !important;
*zoom: 1;
}
.about-wrap .cptui-feature:before, .about-wrap .cptui-feature:after {
content: ” “;
display: table;
}
.about-wrap .cptui-feature:after {
clear: both;
}
.about-wrap h3 + .cptui-feature {
margin-top: 0;
}
.about-wrap .feature-rest div {
width: 50% !important;
padding-right: 100px;
box-sizing: border-box;
margin: 0 !important;
}
.about-wrap .feature-rest div.last-feature {
padding-left: 100px;
padding-right: 0;
}
.about-wrap .feature-rest div.icon {
width: 0 !important;
padding: 0;
margin: 0;
}
.about-wrap .feature-rest div.icon:before {
font-weight: normal;
width: 100%;
font-size: 170px;
line-height: 125px;
color: #9c5d90;
display: inline-block;
position: relative;
text-align: center;
speak: none;
margin: 0 0 0 -100px;
content: “\e01d”;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
.rtl .about-wrap .feature-rest div {
padding-left: 100px;
}
.rtl .about-wrap .feature-rest div.last-feature {
padding-right: 100px;
padding-left: 0;
}
.rtl .about-wrap .feature-rest div.icon:before {
margin: 0 -100px 0 0;
}
.about-integrations {
background: #fff;
margin: 20px 0;
padding: 1px 20px 10px;
}
.changelog h4 {
line-height: 1.4;
}
.cptui-about-text {
margin-bottom: 1em !important;
}
.js #cptui_select_post_type input[type=’submit’],
.js #cptui_select_taxonomy input[type=’submit’] {
display: none;
}
#togglelabels {
display: none;
}
.js #togglelabels {
display: inline-block;
}
.cptui-help {
color: #424242;
margin-left: 4px;
opacity: 0.5;
text-decoration: none;
width: 16px;
}
fieldset .cptui-help {
position: relative;
top: 4px;
}
.cptui-help:hover {
color: #0074a2;
opacity: 1;
}
.cptui-help:focus {
box-shadow: none;
}
#toplevel_page_cptui_main_menu img {
height: 20px;
margin-top: -2px;
width: 20px;
}
.visuallyhidden {
position: absolute;
left: -10000px;
top: auto;
width: 1px;
height: 1px;
overflow: hidden;
}
.cptui-section fieldset {
border: solid #cccccc 1px;
display: block;
margin-bottom: 30px;
padding: 10px;
overflow: hidden;
}
.js .cptui-section fieldset.toggledclosed {
height: 1px;
}
.cptui-section legend {
border: solid #cccccc 1px;
border-bottom: 0px;
font-size: 14px;
font-weight: bold;
padding: 5px;
}
.cptui-spacer {
display: block;
margin-top: 25px;
}
.wdspromos {
float: right;
margin-left: 20px;
margin-top: 10px;
width: 275px;
}
.wdspromos img {
margin-bottom: 10px;
}
and then
cptui.min
.posttypesui .cptui-section:first-child,.taxonomiesui .cptui-section:first-child{margin-top:30px}.cptui-table #excerpt{display:inline-block;height:16px;margin:12px 4px 12px 0;width:auto}.cptui-table td.outter{vertical-align:top;width:50%}.cptui-edit .cptui-table textarea,.cptui-new .cptui-table textarea,.cptui-table input[type=text]{width:50%}.cptui-table .question:hover{cursor:pointer}.cptui-table th p{font-weight:400;font-size:12px}.cptui-table .cptui-slug-details{margin-top:15px}#support .question{font-size:18px;font-weight:700}#support .question:before{content:”\f139″;display:inline-block;font:normal 25px/1 dashicons;margin-left:-25px;position:absolute;-webkit-font-smoothing:antialiased}#support .question.active:before{content:”\f140″}#support .answer{margin:10px 0 0 20px}#support ol li{list-style:none}#support li{position:relative}.required{color:red}.cptui-field-description{font-style:italic}#cptui_select_post_type,#cptui_select_taxonomy{margin-top:15px}.cptui_post_import,.cptui_tax_import{height:200px;margin-bottom:10px;resize:vertical;width:100%}.cptui_post_type_get_code,.cptui_tax_get_code{height:300px;resize:vertical;width:100%}.one-third{width:33%}.valign{vertical-align:top}.about-wrap .cptui-feature{overflow:visible!important;*zoom:1}.about-wrap .cptui-feature:after,.about-wrap .cptui-feature:before{content:” “;display:table}.about-wrap .cptui-feature:after{clear:both}.about-wrap h3+.cptui-feature{margin-top:0}.about-wrap .feature-rest div{width:50%!important;padding-right:100px;box-sizing:border-box;margin:0!important}.about-wrap .feature-rest div.last-feature{padding-left:100px;padding-right:0}.about-wrap .feature-rest div.icon{width:0!important;padding:0;margin:0}.about-wrap .feature-rest div.icon:before{font-weight:400;width:100%;font-size:170px;line-height:125px;color:#9c5d90;display:inline-block;position:relative;text-align:center;speak:none;margin:0 0 0 -100px;content:”\e01d”;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.rtl .about-wrap .feature-rest div{padding-left:100px}.rtl .about-wrap .feature-rest div.last-feature{padding-right:100px;padding-left:0}.rtl .about-wrap .feature-rest div.icon:before{margin:0 -100px 0 0}.about-integrations{background:#fff;margin:20px 0;padding:1px 20px 10px}.changelog h4{line-height:1.4}.cptui-about-text{margin-bottom:1em!important}#togglelabels,.js #cptui_select_post_type input[type=submit],.js #cptui_select_taxonomy input[type=submit]{display:none}.js #togglelabels{display:inline-block}.cptui-help{color:#424242;margin-left:4px;opacity:.5;text-decoration:none;width:16px}fieldset .cptui-help{position:relative;top:4px}.cptui-help:hover{color:#0074a2;opacity:1}.cptui-help:focus{box-shadow:none}#toplevel_page_cptui_main_menu img{height:20px;margin-top:-2px;width:20px}.visuallyhidden{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}.cptui-section fieldset{border:1px solid #ccc;display:block;margin-bottom:30px;padding:10px;overflow:hidden}.js .cptui-section fieldset.toggledclosed{height:1px}.cptui-section legend{border:1px solid #ccc;border-bottom:0;font-size:14px;font-weight:700;padding:5px}.cptui-spacer{display:block;margin-top:25px}.wdspromos{float:right;margin-left:20px;margin-top:10px;width:275px}.wdspromos img{margin-bottom:10px}