@font-face {
             font-family: "roboto_black";
             src: url(../fonts/roboto_black.otf);
           }


@font-face {
            font-family: "roboto_regular";
            src: url(../fonts/roboto_regular.otf);
           }


@font-face {
              font-family: "roboto_italic";
              src: url(../fonts/roboto_italic.otf);
            }


  @font-face {
                font-family: "roboto_light";
                src: url(../fonts/roboto_light.otf);
             }


@font-face {
              font-family: "roboto_bold";
              src: url(../fonts/roboto_bold.otf);
          }