.w3r_thin { border-top-width: thin; border-style: solid; }
.w3r_thick { border-top-width: thick; border-style: solid; }
.w3r_medium { border-top-width: medium; border-style: solid; }
.w3r_px{ border-top-width: 3px; border-style: solid; }
.w3r_pc { border-top-width: 3pc; border-style: solid; }
.w3r_pt { border-top-width: 3pt; border-style: solid; }
.w3r_mm { border-top-width: 5mm; border-style: solid; }
.w3r_cm { border-top-width: 1cm; border-style: solid; }
.w3r_in { border-top-width: 1in; border-style: solid; }
.w3r_ex { border-top-width: 3ex; border-style: solid; }
.w3r_em { border-top-width: 3em; border-style: solid; }