.pre-form-contact {
    overflow: hidden; margin-bottom: 10px;
}
.pre-form-contact__title {
    font-weight: 700;
    margin: 15px 0;
}
.pre-form-contact__box {
    background-color: var(--pre-form-contact-bg_box);
    padding: var(--pre-form-contact-padding);
    width: 100%;
    border-radius: 5px;
}
.pre-form-contact__box .form-group {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 0;
}
.pre-form-contact__box .form-group .input {
    width: calc(100% - 60px);
}
.pre-form-contact__box .form-group .form-control {
    background-color: var(--pre-form-contact-bg_input);
    box-shadow: none; border-radius: 5px 0 0 5px; font-size: 15px;
    border: 0; min-height: 41px;
}
.pre-form-contact__box .form-group button {
    background-color: var(--pre-form-contact-bg_button);
    color:var(--pre-form-contact-color_button);
    width: 60px; border-radius: 0 5px 5px 0; font-size: 20px;
    border: 0;
}
.pre-form-contact__box .form-group button:hover {
    background-color: var(--pre-form-contact-bg_button_hover);
    color:var(--pre-form-contact-color_button_hover);
}.badge__item { z-index: 1; }
.product-slider-horizontal .list-item-product .item .product {
    overflow:hidden;
    position: relative;
}
Fatal error:  Uncaught TypeError: unserialize(): Argument #1 ($data) must be of type string, array given in /home/thietbihap/domains/thietbihaphong.com/public_html/application/helpers/common_helper.php:862
Stack trace:
#0 /home/thietbihap/domains/thietbihaphong.com/public_html/application/helpers/common_helper.php(862): unserialize()
#1 /home/thietbihap/domains/thietbihaphong.com/public_html/views/theme-store/theme-child/theme-setting/theme-sidebar.php(151): Option::get()
#2 /home/thietbihap/domains/thietbihaphong.com/public_html/system/libraries/Hook.php(307): ThemeSidebar::headingCss()
#3 /home/thietbihap/domains/thietbihaphong.com/public_html/system/libraries/Hook.php(331): WP_Hook->apply_filters()
#4 /home/thietbihap/domains/thietbihaphong.com/public_html/system/plugin.php(453): WP_Hook->do_action()
#5 /home/thietbihap/domains/thietbihaphong.com/public_html/views/theme-store/theme-setting/theme-custom-css.php(31): do_action()
#6 /home/thietbihap/domains/thietbihaphong.com/public_html/views/theme-store/theme-setting/theme-setting.php(20): include_once('...')
#7 /home/thietbihap/domains/thietbihaphong.com/public_html/views/theme-store/theme-setting/theme-setting.php(38): Theme_Style::renderCss()
#8 /home/thietbihap/domains/thietbihaphong.com/public_html/system/libraries/Hook.php(307): Theme_Style::renderCssMinify()
#9 /home/thietbihap/domains/thietbihaphong.com/public_html/system/libraries/Hook.php(331): WP_Hook->apply_filters()
#10 /home/thietbihap/domains/thietbihaphong.com/public_html/system/plugin.php(453): WP_Hook->do_action()
#11 /home/thietbihap/domains/thietbihaphong.com/public_html/views/theme-store/include/head.php(9): do_action()
#12 /home/thietbihap/domains/thietbihaphong.com/public_html/application/libraries/template.php(737): include('...')
#13 /home/thietbihap/domains/thietbihaphong.com/public_html/views/theme-store/template-full-width.php(7): Template::partial()
#14 /home/thietbihap/domains/thietbihaphong.com/public_html/system/core/Loader.php(840): include('...')
#15 /home/thietbihap/domains/thietbihaphong.com/public_html/system/core/Loader.php(421): CI_Loader->_ci_load()
#16 /home/thietbihap/domains/thietbihaphong.com/public_html/application/libraries/template.php(375): CI_Loader->view()
#17 /home/thietbihap/domains/thietbihaphong.com/public_html/application/controllers/frontend/products.php(20): Template->render()
#18 /home/thietbihap/domains/thietbihaphong.com/public_html/system/core/CodeIgniter.php(360): products->detail()
#19 /home/thietbihap/domains/thietbihaphong.com/public_html/index.php(224): require_once('...')
#20 {main}
  thrown in /home/thietbihap/domains/thietbihaphong.com/public_html/application/helpers/common_helper.php on line 862