html {
    background: url("../imgdesign/fon.png");
    background-repeat: no-repeat;
    background-position: top, center;
    background-attachment: fixed;
    background-size: cover;
    -webkit-background-size: cover;
}
body{
    margin: 0;
    padding: 0;
}
.sticky{
    position: relative;
    top: 250px;
}
.chap{
    position: fixed;
    top: 0px;
    margin: auto;
    left: 0;
    right: 0;
}
.foot{
    position: fixed;
    bottom: 0px;
    margin: auto;
    left: 0;
    right: 0;
}
.border_copy{
    background-color: white;
}
.copyr{
    font-family: monospace, Arial, Helvetica, sans-serif;font-size: 90%;
    background-color: gainsboro;
    border-color: white;
}
.table_copy{
    border-color: white;
    border-style: inset;
}
   p{}
   .arttext{
    font-family: monospace, Arial, Helvetica, Serif; font-size: 18px; margin-bottom: 0;margin-top: 0; padding-top: 0;padding-bottom: 0;
}
   .artexcursive {
       font-family: monospace, Arial, Helvetica, Serif; font-size: 17px; margin-bottom: 0; margin-top: 0; padding-top: 0; padding-bottom: 0;
   }
   .artlink{
       font-family: monospace, Arial, Helvetica, Serif; text-decoration: none; font-weight: bold; font-style: italic; font-size: 18px;
       margin-bottom: 0;margin-top: 0; padding-top: 0;padding-bottom: 0; color: #004C96;
   }
   .artzag{
       font-family: monospace, Arial, Helvetica, Serif;
   }