h1 {
    border-top: 3px solid ;
}

h1:first-of-type {
    border-top: 0 ;
}

h2 {
    border-top: 1px solid ;
}

h3:before {
    content:    '' ;
    display:    block ;
    position:   relative ;
    top:        0 ;
    width:      50% ;
    border-top: 1px dotted ;
}