@keyframes preloader-animation{
    0%{
        transform:scale(1)
    }
    50%{
        transform:scale(1.5)
    }
    100%{
        transform:scale(1)
    }
}

h1{
    font-size:calc(24px + 2.5vw);
}

small{
     color: silver;
    line-height: 1.1em;
    display: block;
    margin-top: 6px;
    margin-bottom: 7px; 
}
.container{
    min-width:350px;
    max-width:98%;
    height:600px;
    margin:auto
}

.last-book{
    justify-content: center;
    display: flex;  
}

.searchfield{
    width:500px;
    margin:auto;
    max-width:92%;
    height:30px;
    display: initial;

}
.mainblock{
    text-align:center;
    overflow-y:none;
    border-left: 1px solid white;
    box-shadow: -2px 0 0 0 rgba(0,0,0,.40);
    margin: auto;
    padding-top: 15px;
    transition: all 1s ease-out;
}

#search-result{
 transition: opacity 0.5s ease-out;
}
.searchinput{
    width:90%;
    height:100%;
    margin:auto;
    background-color:#212121;
    color:#fff;
    max-width: 550px;
    
}

.serach-container{
 display: flex; 
}

.content-center{
     display: flex;
    width: 100%;
    align-items: center;
    height: 100vh; 
    margin-right: 5px;
}

.variants{
    width:90%;
    margin: auto;
    max-width: 550px;
}

.result{

    text-align: left;
    vertical-align: middle;
    align-items: center;
    display: flex;
    padding-left: 5px;
    break-inside: avoid;
    transition: opacity 0.5s ease-out;
    padding-top: 4px;
    
}


.result-text{
    font-size: 14px;
    padding-top: 3px;
    font-weight: normal;
    vertical-align: middle;
}

.result-oi{
 justify-content: center;
 padding-right: 5px;
}

.glass{
    margin-top:4px;
    font-size:18px
}
.search-list{
    opacity:0;
    padding-left:11px;
    padding-top:7px;
    background-color:rgba(0,0,0,0);
    color:#fff;
    border:none;
    border-radius: 1;
    transition: opacity 0.5s ease-out;
}

.list-group-item, .list-group-item:first-child, .list-group-item:last-child{
  border-radius: 0;  
}

.form-control:focus{
    background-color:#212121;
    color:#fff;
    box-shadow:none;
    border-color:silver
}

.books-grid{
 margin-left: 5vw; 
 padding-right: 60px;

}

.book-card{
 width: 175px;
 height: 270px;
 box-shadow:rgba(0,0,0,.40) 0px 5px 7px;
 border-radius: 0.375rem;
 margin-top: 30px;
 opacity: 0;
}

.col{
 padding: 10px; 
}

  .mainrow{
   overflow: hidden; 
    margin: auto;
    display: flex;
    justify-content: center;
  }


@media all and (max-width:1330px){
  

.content-center{
   height: auto;  
   margin-top: calc(2vw + 20px);
  }

  
  .book-card{
     width: 115px;
    height: 175px;
  }
  
  .books-grid{
  margin-top: 20px;
  margin-left: 0px;
  padding: 0;

  }
  
  .bookauthor-small{
   max-width: 90px; 
   margin-top: 4px;
  }
  
  .grid-p{
   max-width: 100px; 
  }
  
  .mainblock{
   border-left: none;
   border-bottom: 1px solid white;
   box-shadow: 0 2px 0 0 rgba(0,0,0,.40);
   margin-right: 0px;
   padding-right: 0px;
  }
  
  
}

@media all and (max-height: 750px){
  .content-center{
   height: auto;  
   
  }
}

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

    .book-card{
     width: 90px;
    height: 140px;
  }

  .mainrow{
   margin-top: 15px; 
  }
}