/*Обнуление*/
* {
    padding: 0;
    margin: 0;
    border: 0;
}

*,
*:before,
*:after {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

:focus,
:active {
    outline: none;
}

a:focus,
a:active {
    outline: none;
}

nav,
footer,
header,
aside {
    display: block;
}

html,
body {
    height: 100%;
    width: 100%;
    font-size: 100%;
    line-height: 1;
    font-size: 14px;
    -ms-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

input,
button,
textarea {
    font-family: inherit;
}

input::-ms-clear {
    display: none;
}

button {
    cursor: pointer;
}

button::-moz-focus-inner {
    padding: 0;
    border: 0;
}

a,
a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

ul li {
    list-style: none;
}

img {
    vertical-align: top;
}

/*--------------------*/

.cont__osn-svedeniya {
    padding-top: 80px;
    width: 1170px;
    height: 100%;
    justify-self: center;
    margin-bottom: 150px;
}

.wrap__osn-sved {
    display: grid;
    grid-template-columns: 370px 770px;
    grid-template-rows: 800px;
    column-gap: 30px;
}

.osn-sved__left-menu {
    height: 825px;
    display: grid;
    grid-template-rows: 55px 62px 44px 42px 44px 60px 100px 44px 62px 62px 62px 42px 62px 55px;
    grid-template-columns: 300px;
    border-radius: 10px;
    padding-left: 35px;
    border: 1px solid lightgrey;
    padding-bottom: 10px;

}

.osn-sved__left-menu li {
    border-bottom: 1px solid darkgray;
}

.osn-sved__left-menu li a{
    align-self: center;
    padding-left: 20px;
}

.osn-sved__left-menu a:not(:last-child){
    border-bottom: 1px solid darkgray;
}

.osn-sved__left-menu a {
    padding-top: 20px;
    font-family: "Inter";
    font-weight: 500;
    font-size: 16px;
    color: #2D3D55;
    display: grid;
}

.osn-sved__left-menu a:hover {
    color: red;
}

ul.osn-sved__left-menu li.current-menu-item > a {
    color: #EC423E;
}

.osn-sved_desc {
    display: grid;
    grid-template-columns: 770px;
    grid-template-rows: 52px 94px 45px 50px 74px 74px;
    row-gap: 30px;
}

.osn-sved_title {
    font-family: "Inter";
    font-weight: 500;
    font-size: 16px;
    color: #2D3D55;
}

.osn-sved_namepoln h3 {
    font-family: "Inter";
    font-weight: 700;
    font-size: 18px;
    color: #2D3D55;
    padding-bottom: 15px;
}

.osn-sved_namepoln p {
    font-family: "Inter";
    font-weight: 400;
    font-size: 16px;
    color: #2D3D55;
}

.osn-sved_datecreate h3 {
    font-family: "Inter";
    font-weight: 700;
    font-size: 18px;
    color: #2D3D55;
    padding-bottom: 15px;
}

.osn-sved_datecreate p {
    font-family: "Inter";
    font-weight: 400;
    font-size: 16px;
    color: #2D3D55;
}

.osn-sved_uchred h3 {
    font-family: "Inter";
    font-weight: 700;
    font-size: 18px;
    color: #2D3D55;
    padding-bottom: 15px;
}

.osn-sved_uchred p {
    font-family: "Inter";
    font-weight: 400;
    font-size: 16px;
    color: #2D3D55;
}

.osn-sved_locat h3 {
    font-family: "Inter";
    font-weight: 700;
    font-size: 18px;
    color: #2D3D55;
    padding-bottom: 15px;
}

.osn-sved_locat p {
    font-family: "Inter";
    font-weight: 400;
    font-size: 16px;
    color: #2D3D55;
}

.osn-sved_contact h3 {
    font-family: "Inter";
    font-weight: 700;
    font-size: 18px;
    color: #2D3D55;
    padding-bottom: 15px;
}

.osn-sved_contact p {
    font-family: "Inter";
    font-weight: 400;
    font-size: 16px;
    color: #2D3D55;
}




@media (max-width: 900px) {
    .cont__osn-svedeniya {
        padding-top: 80px;
        width: 320px;
        height: 2000px;
        margin-left: auto;
        margin-right: auto;
    }

    .wrap__osn-sved {
        justify-self: center;
        display: grid;
        grid-template-columns: 300px;
        grid-template-rows: 854px 1040px;
        row-gap: 40px;
    }

    .osn-sved__left-menu {

        display: grid;
        grid-template-rows: 55px 62px 44px 42px 44px 60px 100px 44px 62px 62px 62px 42px 62px 55px;
        grid-template-columns: 300px;
        border: 1px solid darkgray;
        border-radius: 10px;
        padding-left: 0px;
    }


    .osn-sved_desc {
        display: grid;
        grid-template-columns: 300px;
        grid-template-rows: 52px 180px 75px 75px 142px 100px;
        row-gap: 30px;
    }
}