.artilce-book-info {background:#F4F4F4;}
.artilce-book-info .book-info {}
.artilce-book-info .book-info .book-title {background:#F4F4F4;}
.artilce-book-info .book-info .book-subtitle {font-weight: 700;}

.artilce-book-info .purchase-option {background: var(--main-color);border-color: var(--main-color);color: var(--secondary-color);}
.artilce-book-info .purchase-option, .artilce-book-info .purchase-option a {text-decoration: none;font-size: 13px;font-weight: 700;color: var(--secondary-color);}
.artilce-book-info .purchase-option:hover, .artilce-book-info .purchase-option:hover a{color: var(--main-color);}
.artilce-book-info .purchase-option:hover{background: var(--secondary-color);}
.artilce-book-info .purchase-option .dropdown-item {background: var(--main-color);}
.artilce-book-info .purchase-option:hover a.dropdown-item{color: var(--secondary-color);}
.artilce-book-info .purchase-option {margin-right: 15px;padding: 8px 8px;}

.artilce-book-info .purchase-option-container li.dropdown .dropdown-menu {-webkit-transition: all 0.3s;-moz-transition: all 0.3s;-ms-transition: all 0.3s;-o-transition: all 0.3s;transition: all 0.3s;max-height: 0;display: block;overflow: hidden;opacity: 0;}
.artilce-book-info .purchase-option-container li:hover.dropdown .dropdown-menu {max-height: 300px;opacity: 1;}
.artilce-book-info .purchase-option-container li.dropdown .dropdown-item {font-weight: 600;font-size: 14px;}