Vorlage:ZahlExp/styles.css

.numericFormat-multiply {
   background-position: center;
   background-repeat:   no-repeat;
   border-radius:       0.2em;
   color:               transparent !important;
   display:             inline-block;
   line-height:         0.2em;
   margin-left:         0.3em;
   margin-right:        0.15em;
   width:               0.2em;
}
.numericFormat-10::before {
   content: "10";
}
.numericFormat-10 sup {
   margin-left: 0.12em;
}