.block {
  display: block;
}
.bold {
  font-weight: bold;
}
.centerblock {
  margin-right: auto;
  margin-left: auto;
}
.centertxt {
  text-align: center;
}
.clear {
  clear: both;
}
.fltlft {
  float: left;
}
.fltrt {
  float: right;
}
.noblock {
  display: inline;
}
.padding3 {
  padding: 3px;
}
.padding10 {
  padding: 10px;
}
.hide {
  display: none;
}
.shy {
  visibility: hidden;
}