@font-face {
  font-family: "myfonts_01";
  src: url("font_1.otf");
  }

.font1 {
    
    font-family: myfonts_01;
} 

@font-face {
  font-family: "myfonts_02";
  src: url("font_2.ttf");
  }

.font2 {
    
    font-family: myfonts_02;
} 

@font-face {
  font-family: "myfonts_03";
  src: url("font_3.ttf");
  }

.font3 {
    
    font-family: myfonts_03;
}