img.img_center, img.center, img.border { border: 1px solid gainsboro;
    max-width: 100%;
    margin: 20px auto;
    text-align: center;
    display: block;
}
ol.count_levels {
    border: 1px solid #e1e1e1;
    padding: 20px 0 20px 40px;

}
ol.count {
    counter-reset: li;
    list-style: none;
    padding: unset;
    margin: unset;
}
ol.count li:before {
    counter-increment: li;
    content: counters(li,".") ".";
    color: white;
    background: black;
    display: inline-block;
    text-align: center;
    margin: 24px  0 0 -50px;
    line-height: 40px;
    width: 40px;
    height: 40px;
    position: absolute;
    font-size: 13px; 
}
li {display: block;width: 100%;border-bottom: 1px solid #ff000000;}

ol.count ol.count {
    border: none;
    margin: unset;
    padding: unset;
}
ol.count li ol.count li:before {
    background: white;
    border: 1px solid black;
    color: black;
    margin: 12px 0 0 -56px;
}

ol.count_levels {
    border: 1px solid #d2d2d2;
    padding: 20px;
    margin: 20px 0;
    counter-reset: li;
    list-style: none;
}
ol.count_levels li { margin: 6px 9px; }
ol.count_levels li:before {
counter-increment: li;
content: counters(li,".") ". ";    
display: inline-block;
width: 22px;
}
ol.count_levels li ol.count_levels li:before {
    margin-right: 10px;
}
ol.count_levels ol.count_levels {
    border: none;
    margin: unset;
    padding: unset;
}



.kod, .opredelenie, kod {
    background: #f9f9f9;
    padding: 20px;
    margin: 15px 0;
    border: 1px solid #e5e5e5;   
    font-family: cursive;
    font-size: 13px;
    letter-spacing: 1px; word-wrap: break-word;  
}
kod{display: block;}

.opr p {
    line-height: 21px;
    margin: 4px 0;
}
p { text-indent: 10px; line-height: 20px; }
update {
    background: #009a05;
    position: absolute;
    margin-left:-120px;
    padding: 10px;
    color: aliceblue;
    text-align: center;
    font-family: monospace;
    font-size: 12px;
    cursor: pointer;
}
update:after {    left: 100%;
    border: solid transparent;
    content: " ";
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
    border-left-color: #009a05;
    border-width: 6px;
    margin-top: 6px;
    z-index: 1;}
div#main_text update a:hover {color: white;border: none;}
div#main_text update a {color: black;border: none;}
main img {
    max-width: 100%; border: 1px solid #d8d8d8;
}
.href_img .click_open {
    position: absolute;
    background: #ffffffd4;
    color: #000000;
    margin: 20px 21px;
    font-size: 14px;
    border: 2px solid #ffffff52;
    padding: 1%;
    display: block;
    transition: all 0.5s linear 0s;
    box-shadow: 0 14px 28px rgb(0 0 0 / 25%), 0 3px 6px rgb(0 0 0 / 22%);
}
.href_img .click_open:hover {
    display: none;
}
.href_img:hover > .click_open {
    display: none;     transition: all 0.5s linear 0s;
}
.margin_left_20{margin-left:20px}
.margin_left_30{margin-left:30px}
.margin_left_40{margin-left:40px}
.margin_left_50{margin-left:50px}
.margin_left_60{margin-left:60px}

.padding_10 {  padding: 10px; }
.padding_20 {  padding: 20px; }
.border { border: 1px solid #cfcfcf; }
 


code {
    border: unset;
    display: block;
    margin: 20px 0 10px 0;
    padding: 20px;
    border-left: 2px solid #e6e0e0;
    font-size: 14px;
    word-break: break-word;
    background: repeating-linear-gradient(to bottom, transparent, transparent 10px, #f4f4f4 10px, #f4f4f4 11px),repeating-linear-gradient(to right, transparent, transparent 10px, #f4f4f4 10px, #f4f4f4 11px);
}
.opr p, .green_left p, .red_left p, .fio_left p, .noindex p {
    text-indent: 0px;
}
.opr {
    border: 1px solid #d6d6d6;
    padding: 25px;
    margin: 20px 0;
    -webkit-box-shadow: 4px 4px 12px 8px rgba(34, 60, 80, 0.2);
    -moz-box-shadow: 4px 4px 12px 8px rgba(34, 60, 80, 0.2);
    box-shadow: 4px 4px 12px 8px rgba(34, 60, 80, 0.2);
}
.green_left, .red_left, .fio_left, .noindex {
    border: 1px solid gainsboro;
    padding: 20px; 
    margin: 19px 0;
    -webkit-box-shadow: 7px 9px 31px -1px rgba(34, 60, 80, 0.2);
    -moz-box-shadow: 7px 9px 31px -1px rgba(34, 60, 80, 0.2);
    box-shadow: 7px 9px 31px -1px rgba(34, 60, 80, 0.2);
}
.green_left { border-left: 3px solid green; }
.red_left, .noindex { border-left: 3px solid red; }
.fio_left { border-left: 3px solid rgb(142, 0, 142);}
.red_left p, .green_left p, .fio_left p, .noindex p {
    line-height: 22px;
    margin: 0 0 4px 0 !important ;
}
noindex {  display: block; }
blackblock, .blackblock {
    display: block;
    width: 100%;
    background: black;
    color: #fffa00;
    text-align: center;
    padding: 15px 0;
    font-size: 22px;
    margin: 18px 0;     word-wrap: break-word;  line-height: 34px; 
}
button {cursor: pointer;}
.dwlabel{ background: white;float: right;width: 100px !important;margin: 10px; transition: 1s;} img.dwlabel:hover { box-shadow: -3px 3px 12px 0px #d1d1d1; }
 


/*-------------------------------/метемат*/
other {
    display: inline-block;
        padding-left: 5px;
        padding-right: 5px;
        vertical-align: middle;
  }
  
  over {
      display: block; border-bottom: 1px solid;
  }
  drob {
    border: 1px solid #cecece;
    padding: 20px;
    margin: 20px;
    display: block;
}  
under {
    text-align: center;
    display: inline-block;
    position: relative;
    width: 100%;
}
span.line_koren {
    border-top: 1.5px solid black;
    font-size: 17px;
    padding: 4.5px 6px 4px 4px;
    margin-left: -1px;
}koren {
    font-size: 30px;
}
sup.koren_right {
    position: absolute;
    margin: -10px 0 0 0;
    font-size: 13px;
}
blackblock span.line_koren {
    border-top: 2px solid #ffea00 !important; 
}
p .koren_right, p drob  {
    text-indent: 0px !important;
} 
table.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px; font-family: monospace;
    font-size: 15px;
}
table.table td {
    border-bottom: 1px dotted #d5d5d5;
    padding: 10px;
    font-family: system-ui;
}
td.colspan {
    font-weight: 600;
    text-indent: 30px;
}
table.table tr:first-child {
    color: #373737;
    text-indent: 15px;
    text-transform: uppercase;
}
bblock {
    border: 1px solid #c7c7c7;
    display: block;
    padding: 10px;
    margin: 15px 0;
}
.div_red_10 p, .div_red p, .div_red_12 p, .div_red_20 p { font-weight: 100;} audio.audio {
    display: block;
    width: 100%;
}

a.cursor_hand {
    cursor: pointer;
}
input[type="submit"].width_100 {
    background: #ffffff;
    border: 1px solid #d5d5d5;
    cursor: pointer;
    font-family: system-ui;
    font-weight: 100;
    font-size: 16px;
    text-transform: uppercase;
-webkit-box-shadow: -6px -8px 30px -15px rgba(34, 60, 80, 0.2);
-moz-box-shadow: -6px -8px 30px -15px rgba(34, 60, 80, 0.2);
box-shadow: -6px -8px 30px -15px rgba(34, 60, 80, 0.2);
transition: 1s;
}

input[type="submit"].width_100:hover {
    color: red;
    transition: 1s;
    border: 1px solid #ba7777;
}
span.text_reverse {
    direction: rtl;
    unicode-bidi: bidi-override;
}


.to_sing p {
    border-bottom: 1px dashed #dcdcdc;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.to_sing {
    border: 1px solid #e4e4e4;
    padding: 20px;
    -webkit-box-shadow: 4px 4px 51px 0px rgba(34, 60, 80, 0.2);
    -moz-box-shadow: 4px 4px 51px 0px rgba(34, 60, 80, 0.2);
    box-shadow: 4px 4px 51px 0px rgba(34, 60, 80, 0.2);
}
.two_span {
    display: table;
    width: 100%;
    font-size: 11px;
}
.span_left, .span_right {
    display: table-cell;
    width: 45%;
}span.likecode {
    font-family: system-ui;
    font-size: 17px;
    border: unset;
    display: block;
    margin: 20px 0 10px 0;
    padding: 20px;
    border-left: 2px solid #747474;
    word-break: break-word;
    background: repeating-linear-gradient(to bottom, transparent, transparent 5px, #f4f4f4 15px, #f4f4f4 15px), repeating-linear-gradient(to right, transparent, transparent 10px, #f4f4f4 10px, #f4f4f4 11px);
}