.field-required .field-required-label:after {
    content: " *";
    color: red;
    font-weight: bold;
    vertical-align: super;
}
.field-flag1 .field-flag1-label:after {
    content: " +";
    color: dodgerblue;
    font-weight: bold;
    vertical-align: super;
}
.field-flag2 .field-flag2-label:after {
    content: " #";
    color: green;
    font-weight: bold;
    vertical-align: super;
}