@media (min-width:300px) and (max-width:994px) {
    div {
        transition:1s;
    }

    

    .book__relative {
        display:none;
    }

    .book__order {
        background-image: url(../img/bg/test2.png);
        background-attachment: fixed;
        background-position: bottom;
        background-repeat: no-repeat;
        background-size: cover;
    }

    .schools__left {
        align-items:center;
    }

   

    .schools__left-vector {
        display:none;
    }

    .schools__left-title {
        margin-top: 70px;
        padding:15px;
        font-size: 30px;
        line-height: 40px;
        margin-bottom: 0px;
    }

    .schools__left-subtitle {
        padding:0 15px;
        font-size: 15px;
        line-height: 20px;
    }

    .schools__arrow {
        margin-top: 65px;
    }

    /* book about */

    .book__about_left-vector {
        display:none;
    }

    .book__about_center {
        display:none;
    }

    

    .book__content {
        background-image: url(../img/bg/media_bg22.png);
        background-attachment: fixed;
        background-position: bottom;
        background-repeat: no-repeat;
        background-size: cover;
    }

    .content__center-wrapper {
        max-width:none;
        
    }

 .content__center-title {
    color: #000000;
    font-size:30px;
    margin-bottom: 7px;
    display:flex;
    justify-content: center;
 }

 .content__center-subtitle {
     font-size:15px;
     color:#000000;
     display:flex;
    justify-content: center;
 }

 .content__center-text {
     font-size:12px;
     color:#000000;
     padding:0 15px;
 }

 .content__center_item1-text,.content__center_item2-text {
     color:#5a5353;
     font-size:15px;
 }

 .book__content {
    max-height: 400px;
    margin-top: 20px;
 }

 .book__about_left {
     display:none;
 }

 .authors__title {
     font-size:30px;
     line-height: 50px;
 }


 .authors__info {
     padding:20px;
 }

 .apply-btn {
     margin-bottom: 80px;
 }

 .apply__wrapper {
     padding:32px;
 }

 .apply__contacts {
    padding: 20px 36px;
 }



 .fname, .email {
     margin:0;
     margin-bottom: 15px;
 }
 .fname {
    margin-top: 25px;
}

.footer {
    padding-top: 63px;
    justify-content: space-between;
}

.footer__links {
    flex-direction:column;
}

.content__arrow {
    display:none;
}

.book__about_center-new {
    display:flex;
}

.book__about_right {
    display:none;
}

.book__about_center-text {
    margin-top: 30px;
    margin-left:0;
    padding:0 20px;
}

.book__about_center-item1 {
    font-weight: 800;
    font-size: 30px;
    line-height: 45px;
}

.book__about_center-item2 {
    font-size: 13px;
}

}

/*  */

@media (min-width:300px) and (max-width:392px) {
    .content__center-title {
        font-size:20px;
    }

    .content__center-subtitle {
        font-size: 13px;
    }

    .content__center-text {
        font-size: 12px;
    }

    .content__center_item1-text, .content__center_item2-text {
        font-size:13px;
    }

    .authors__info {
        padding:10px;
    }

    .authors__left-name, .authors__right-name {
        font-size: 14px;

    }

    .apply__contacts {
        padding: 20px 8px;
    }

    .rights__main-left {
        font-size:12px;
    }

    .header__links-item a {
        line-height: 11px;
    }

    .sidenavburger a {
        font-size: 12px;
        padding: 9px 8px 8px 10px;
    }

    .header-burger__links {
        padding-top: 15px;
    }
    
    .book__about_center-item1 {
        font-size:22px;
    }

    .schools__left-title {
        font-size:22px;
        line-height: 30px;
    }

    .footer__links-item a {
        font-size:13px;
    }
}

/*  */

@media (min-width:300px) and (max-width:768px) {

    .header__main {
        max-width:100px;
        left:10px;
        margin:0;
    }

    .header__links {
        display:none;
    }

    .header__btn {
        display:none;
    }

    .openburger {
        display:block;
    }
    
}

/*  */


@media (min-width:1000px) and (max-width:1100px) {

    div {
        transition:1s;
    }

    .content__center-wrapper {
        margin-left: 100px;
    }

    .content__left img {
        max-width:350px;
        
    }

    .content__left {
        top: 185px;
    }


}

/*  */

@media (min-width:1100px) and (max-width:1200px) {

    div {
        transition:1s;
    }

    .content__center-wrapper {
        margin-left: 100px;
    }

    .content__left img {
        max-width:430px;
    }



    .content__left {
        top: 80px;
    }

}

/*  */

@media (min-width:1200px) and (max-width:1300px) {

    div {
        transition:1s;
    }

    .content__center-wrapper {
        margin-left: 100px;
    }

    .content__left img {
        max-width:530px;
    }



    .content__left {
        top: 100px;
    }
}

/*  */

@media (min-width:1300px) and (max-width:1438px) {

    div {
        transition:1s;
    }

    .content__center-wrapper {
        margin-left: 100px;
    }

    .content__left img {
        max-width:500px;
    }

 

    .content__left {
        top: 150px;
    }
}

/*  */


@media (min-width:1000px) and (max-width:1439px) {

    div {
        transition:0s;

    }


    .book__about_center-vector img {
        max-width:350px;
    }

    .content__arrow {
       margin-top: 100px;
       
    }


    .schools__right-img img {
        max-width:500px;
    }

    .content__center-title {
        
        line-height:35px;
    }

    .apply__left-title {
        font-size: 37px;
    line-height: 49px;

    }

    .apply__left-subtitle {
        max-width:450px;
    }
 

    .content__center {
        flex-direction:column;
    }

    .book__content {
      /*   background: url('../img/bg/bgt1.png') center bottom/ cover no-repeat;
         margin-top:0; */

         background-image: url(../img/bg/bgt2.png);
    background-attachment: fixed;
    background-position: bottom;
    background-repeat: no-repeat;
    background-size:cover;
    }

    .apply__contacts {
        margin-top: 80px;
    }

    .apply__right {
        top:-40px;
    }

    .book__about {
        padding:140px 0;
    }


}

/*  */

@media (min-width:1439px) and (max-width:1550px) {
    .schools {
        padding:75px 0;
    }

    .book__about {
        padding:245px 0;
    }

    .authors {
        padding:139px 0;
    }


}

@media (min-width:1550px) and (max-width:2100px) {
    .schools {
        padding: 207px 0;
    }

    .book__about {
        padding: 321px 0;
    }

    .authors {
        padding: 279px 0;
    }

    .book__content {
        padding: 293px 0;
    }
    
}


/*  */

@media (min-width:1440px) and (max-width:2500px) {
    div {
        transition:1s;
        
    }

    .apply__contacts {
        margin-top: 80px;
    }

    .content__arrow {
        padding-right:70px;
        margin-top: -70px;
    }

    .content__center {
        flex-direction:column;
    }

    .content__left {
        top:35px;
    }
}

@media (min-width:768px) and (max-width:992px) {
    .header__main {
        max-width:720px;
        transition:0.5s;
        
    }
}



@media (min-width:992px) and (max-width:1200px) {
    .header__main {
        max-width:960px;
        transition:0.5s;
    }
}


@media (min-width:1200px) and (max-width:1400px) {
    .header__main {
       
        max-width:1140px;
        transition:0.5s;
    }
}





@media (min-width:1100px) and (max-width:1920px) {


}