#first-block {
    display: flex;
  flex-flow: row wrap;
    
    
}
#first-block .text-about-book{
    width: 100%;
    max-width: 500px;
    margin-left: auto;
   
}

#choise-filter{
   
    padding-bottom:40px;
    border-bottom:1px  solid #C4C4C4;;
}
#choise-filter .choise-block button{
    margin-top: 10px;
    margin-right: 4px;
    
}
#choise-filter .choise-block .active-button-course{
    background-color:#4C8FFC ;
    color:white;
}
#choise-filter .choice-button{
    display: flex;
    margin: 8px 0 8px 0px;
    
}
.gradient-fon {
    height: 100%;
    background: linear-gradient(180deg, #2C346E 0%, #4C8FFC 100%);
    
}
#block-all-carts{
    max-width: 1200px;
    margin: auto;
}

@media screen and (max-width: 1200px) 
{
    #first-block {
        display: block;
    }
    #first-block .text-about-book{
        margin-left: 0;
       
    }
}


#block-all-carts{
    display: grid; 
    margin-top: 30px;
    grid-template-columns: repeat(3, 1fr);
}
@media screen and (max-width: 1000px) {
    #block-all-carts{
    grid-template-columns: repeat(2, 1fr);
    }
}
@media screen and (max-width: 700px) {
    #block-all-carts{
        margin-top: 0px;
    grid-template-columns: repeat(1, 1fr);
    }
    #block-all-carts .cart-book{
        box-shadow: 4px 4px 8px 4px rgba(0, 0, 0, 0.2);
    }
}

#block-all-carts .cart-book{
    width: 100%;
    min-width: 280px;
    max-width: 370px;
    height: 100%;
    min-height: 420px;
    max-height: 500px;
    padding: 10px;
    border-radius: 1px;
    transition: 0.3s;
    margin: 35px auto 100px;
    position: relative;
}
#block-all-carts .cart-book:hover{
    box-shadow: 4px 4px 8px 4px rgba(0, 0, 0, 0.2);
   
    transition: 0.3s;
}
#block-all-carts .choice-button{
    display: flex;
    margin: 8px 0 8px 0px;
    
}
#block-all-carts .type-filter {
    margin-right: 10px;
}
#block-all-carts .type-filter h6{
    padding: 5px;
    border: solid 1.5px white;
    color:white;
}
#block-all-carts .book-image img{
    width: 100%;
    /* margin-top: 20px; */
    height: auto;
    border-radius:2px;
    max-height: 300px;
/*     border-top: 2px solid white; */
    padding-top: 15px;
}
 #block-all-carts .name-course{
     margin-top: 20px;
     color:white;
 }
 #block-all-carts button{
    position: absolute;
    bottom:10px;
 }