.arr_text{
font-style:italic;
font-weight : bold;
font-size:16px;            /*18*/
color:#00007b;
font-family: Tahoma;
}
._just2{
width:93%;
font-size: 22.5;    /*18px*/
text-align: justify;
font-weight:bold;
line-height : 1.3;
}
.h1{
width: 75%;
color:black;
font-size:21px;        /*23*/
}
.my-img{ width: 100%;height: auto; } 
.oneimg{ width: 100%; }
body{
   margin: 0 auto;
   color:black; 
   background-color: #cccccc;  
}
/* @media screen and (max-width:850px){._just2{width:700px;} */
#footer {
/* position: absolute; */
bottom: 1em;
/*padding: 0 45%;*/
left: 45%;
noWarp;
}
.usual{font-size:16px;color:#000000;}   
.usual:hover{font-size:16px;color:#00007b;text-decoration:none;}

._usual{font-size:16px;text-decoration:none;font-weight:100;}   /*  font-family: Impact    color:#00007b  */
._usual:hover{font-size:16px;font-weight:500;}                          /*  Comic Sans MS */

.usual2{          font-size:16px;color:#00007b;text-decoration:none;font-weight:bold;}   /*  font-family: Impact   */
.usual2:hover{font-size:16px;color:#000000;font-weight:bold;}

.zelluloza{ font-size:13px;color:red; }

hr{width: 4px; color: blue;}

.grayscale {
        filter: grayscale(1); /* îò 0 äî 1;  1 èëè 100% — ïîëíîñòüþ ÷¸ðíî-áåëîå */
}

.my-img-grayscale{ width: 100%;height: auto; filter: grayscale(1);}