html {font-size: 100%;}
body {margin:0;font-family: system-ui, Tahoma, sans-serif;font-weight: normal;color: #404040;}
ul {margin: 0;padding: 0;list-style: none;}
h2 {font-size: 1.2em;margin-left:20px;}
figure {margin:0;}
figure img {box-shadow: 1px 1px 3px 1px #000;}
figcaption {font-style:italic;}
btn-m {border:solid 1px; color:grey;padding: 0 6px;}
._cont_header_page_ {border-bottom:solid 1px #dadada;}
._cont_header_redaction_ {display:flex;justify-content: space-between;color: #777;margin: 8px 0;}
._cont_header_redaction_ a {text-decoration:none;color:#336699;}

._cont_header_date_ {text-align:right;margin-left:12px;}
._help_menu_nav_ {width: 300px;background:#343131;height:calc(100%);position: fixed;top: 0;overflow-y: auto;min-height: 0;}
.nav-p {display:block;color:#b3b3b3;font-size: 90%;padding-left: 2.42em;text-decoration:none;height:31px;line-height: 2;}
._help_menu_nav_ li:hover {background: #666;}
.sub_nav_p {display:none;background:#eaeaea;}
.nav-p-sub {display:block;color:#636363;font-size: 90%;padding-left: 2.82em;text-decoration:none;height:31px;line-height: 2;}
.sub_nav_p li:hover {background: #c5c5c5;}
._help_text_main_ {display:block;margin-left: 300px;}
._h_text_content_ {max-width: 800px;background: #fcfcfc;min-height:100vh;padding:0 42px;}
._header_link_ {font-weight: bold;line-height: 1.4;color: #fcfcfc;text-decoration:none;box-shadow: 0 0 6px 0 #717171;/*border: solid 1px #336699; */border-radius: 12px;display: inline-block;width: 147px;margin-top: 6px;}
._header_link_:hover {background:#336699;box-shadow:none;}
._margin_bottom_block_ {height:34px;}
._nav_menu_mobile_ {display:none;}

#head_main {display:none;background:#d2defb;}
._head_menu_empty_ {height:0px;}
@media (max-width: 600px) {
    
    ._head_menu_empty_ {height:60px;}
    img {max-width:96%;}
    p {font-size:140%;}
    ._help_menu_nav_ {display:none;width:100%;}
    #sub_log_mnu {height:30px;overflow:hidden;}
    ._help_text_main_ {margin-left: 12px;}
    ._h_text_content_ {width:96%;padding:0;}
    
    ._nav_menu_mobile_ {display:block;}
    #head_main {
        display:block;
        z-index: 900;
        position: fixed;
        width: 100%;
        height: 55px;
        box-shadow: 0 1px 4px black;
       
    }
     .menu_but {display:block;width: 30px;height:30px;position:absolute;top:10px;right:14px;z-index:920;}
     .sublbl {font-size:8.5pt;font-family:Verdana;display:block; position: absolute;left: 60px;top: 33px;}
}