@font-face {
    font-family: codigo-barras;
    src: url(../fonts/code128.ttf);
}
.back button {
    z-index: 1000;
    padding: 10px 5px;
}
.container{
    overflow: auto;
}
  
.codigo-barras {
    font-family: codigo-barras;
    color: black;
}