body {
    margin: 0;
    font-family: Arial;
}
a {
    color: #0808D7;
}
#main a {
    color: #0808D7;
    text-decoration: underline;
}
header#header {
    padding-top: 20px;
}
#header span {
    font-size: 16px;
    margin-left: 10px;
    color: #030251;
}
img.logo-img {
    width: 22%;
}
img.pki-logo {
    width: 16%;
    float: right;
}
#header .d-flex.align-items-center.justify-content-between {
    border-bottom: 3px solid #406AB0;
}
.clear{
    clear: both;
}
#main h1 {
    color: #8CA8BD;
    font-weight: bold;
    text-align: center;
    margin-bottom: 15px;
    clear: both;
}
.books-section img {
    width: 55%;
}
.books-section span {
    margin-left: 15px;
}
.dragArea.row {
    background: #BFC9D9;
    padding: 20px;
    border-radius: 15px;
}
.dragArea .send-btn {
    background: #1C3365;
    border: #1C3365;
    padding: 10px 25px;
}
.dragArea .send-btn:hover {
    background: #0c1d41;
    border: #0c1d41;
}
.back_btn {
    float: right;
}