Please add this snippet
.jmodedit { border-radius: 5px; border: 1px solid #bbb; background: #ccc; min-height: 25px; width: 25px; text-align: center; line-height: 20px; }
.icon-edit:before { content: '\e855'; display: inline-block; vertical-align: middle; font-size: 16px; }
In the template's stylesheet
/templates/takai/css/template.css
It will be included in the next release so you do not need to worry about updates.