.calibre {
    background-color: #A0A0A0;
    display: block;
    font-size: 1em;
    padding-left: 0;
    padding-right: 0;
    margin: 0 5pt
    }
.calibre1 {
    font-weight: bold
    }
.calibre2 {
    display: block
    }
.calibre3 {
    font-style: italic
    }
.calibre4 {
    color: gray;
    display: block;
    height: 2px;
    border: currentColor inset 1px;
    margin: 0.5em auto
    }
.calibre5 {
    height: auto;
    width: auto
    }