style.css

body {
    background-color: #eeeeee;
}

.frm {
    width: 50%;
    position: relative;
    top: 25vh;
    /* left: 0vw; */
    /* transform: translate(45%, 300%); */
    margin: auto;
    display: flex;
}

@media screen and (max-width: 561px) {
    .frm {
        width: 70%;
    }
}

@media screen and (max-width: 492px) {
    .frm {
        width: 90%;
    }
}

.form-control {
    width: 80%;
    float: left;
}

.srcBtn {
    /* display: inline-block; */
    /* vertical-align: middle; */
    float: left;
}

.booktit {
    width: 50%;
    font-size: 48px;
    color: #696969;
    position: absolute;
    top: 10vh;
    left: 35vw;
    /* transform: translate(67%, 70%); */
    /* margin: auto; */
}

@media screen and (max-width: 561px) {
    .booktit {
        width: 100%;
        font-size: 42px;
        left: 25vw;
    }
}

@media screen and (max-width: 492px) {
    .booktit {
        width: 80%;
        left: 20vw;
        font-size: 36px;
        /* margin-bottom: 5px; */
    }
}

.card-img-top {
    min-width: 28%;
    max-width: 32%;
    height: 15vw;
    display: inline-block;
    vertical-align: middle;
    object-fit: cover;
    /* padding: 10px; */
    transform: translateY(-15%);
    box-shadow: 5px 5px 5px -3px #888888;
}

@media screen and (max-width: 492px) {
    .card-img-top {
        height: 25vh;
        min-width: 50%;
        transform: translateY(-15px);
        object-fit: none;
        margin-bottom: 10px;
    }
}

.results {
    background-color:#ddd;
    position: relative;
    padding: 2em;
    top: 30vh;
    width: 100%; 
    /* height: 100vh; */
    min-height: 62vh;
    float: left;
}

.card-body {
    /* float: left; */
    display: inline-block;
    transform: translateY(-30px);
}

.card-title {
    white-space: nowrap; 
    overflow: hidden;
    text-overflow: ellipsis;
}

.card {
    float: left;
    margin: 2.5%;
    width: 100%;
    box-shadow: 5px 5px 5px -3px #888888;
}

@media screen and (max-width: 492px) {
    .card {
        margin: 5%;
        margin-left: 1%;
    }
}

#query-display {
    font-size: 30px;
    font-weight: 500;
    text-transform: capitalize;
    margin-bottom: 20px;
}

@media screen and (max-width: 492px) {
    #query-display {
        font-size: 24px;
    }
}

/* Page loader */
.loader {
    border: 12px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #218838;
    border-bottom: 16px solid #218838;
    width: 100px;
    height: 100px;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
    position: absolute;
    left: 43.5vw;
    display: block;
    z-index: 9999;
  }
  
  @media screen and (max-width: 492px) {
    .loader {
        border: 8px solid #f3f3f3;
        border-radius: 50%;
        border-top: 12px solid #218838;
        border-bottom: 12px solid #218838;
        width: 80px;
        height: 80px;
        -webkit-animation: spin 2s linear infinite;
        animation: spin 2s linear infinite;
        position: absolute;
        left: 40vw;
        display: block;
        z-index: 9999;
      }
}

  @-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }