Please add the following lines in your CSS :
@font-face {
font-family: 'IcoMoon';
src: url('../../../media/jui/fonts/IcoMoon.eot');
src: url('../../../media/jui/fonts/IcoMoon.eot?#iefix') format('embedded-opentype'), url('../../../media/jui/fonts/IcoMoon.woff') format('woff'),
url('../../../media/jui/fonts/IcoMoon.ttf') format('truetype'), url('../../../media/jui/fonts/IcoMoon.svg#IcoMoon') format('svg');
font-weight: normal;
font-style: normal;
}
.icon-minus:before, .icon-not-ok:before {
content: "\4b";
font-family: 'IcoMoon';
}.icon-new:before, .icon-plus:before {
content: "\2a";
font-family: 'IcoMoon';
}.icon-circle:before {
font-family: 'IcoMoon';
content: "\e229";
}