1. could you please help me see the codes?

all codes in Global below

.site-content {
margin-bottom: 0px;
}

.main-nav .menu>li.menu-item-design-full-width .sub-menu-dropdown {
background-color: #ECECEC;
}

.page-title {
width: 100%;
border-bottom: 0px solid rgba(168,168,168,.15);
position: relative;
margin-top: -40px;
margin-bottom: 0px;
}

.widget_search .searchform div #searchsubmit {
padding-right: 100px;
border-color: #ff5a5f;
background-color: #ff5a5f;
color: #fff;
}

.widget_search .searchform div input[type=text] {
border: 3px solid #ff5a5f;
}
.woocommerce-product-details__short-description hr {
width:100%;
}

.wpb-js-composer .vc_tta-tabs.vc_tta-tabs-position-top.vc_tta-style-classic li.vc_tta-tab>a {
color: #b82d2d;
}

input.wpcf7-form-control.wpcf7-submit:hover {
background-color: #fc5c63;
border-color:#fc5c63;
color: #fff;
}
input.wpcf7-form-control.wpcf7-submit {
background-color: #fc5c63;
border-color:#fc5c63;
color: #fff;

.wpcf7-form-control wpcf7-submit btn btn-color-primary{
background-color: #fc5c63;
border-color:#fc5c63;
color: #fff;
}

.wpb-js-composer .vc_tta-tabs.vc_tta-tabs-position-top.vc_tta-style-classic .vc_tta-tab>a {
color: #fc5c63; important!
}

all codes in Desktop below
.promo-banner .banner-image,
.product-grid-item .product-element-top img {
filter: grayscale(100%) opacity(0.99);
-webkit-filter: grayscale(100%) opacity(0.99);
-moz-filter: grayscale(100%) opacity(0.99);
-o-filter: grayscale(100%) opacity(0.99);
-ms-filter: grayscale(100%) opacity(0.99);

transition: all 0.3s ease-in-out;
-webkit-transition: all 0.3s ease-in-out;
}
.promo-banner:hover .banner-image,
.product-grid-item:hover .product-element-top img {
filter: grayscale(0) opacity(1);
-webkit-filter: grayscale(0) opacity(1);
-moz-filter: grayscale(0) opacity(1);
-o-filter: grayscale(0) opacity(1);
-ms-filter: grayscale(0) opacity(1);
}
.wpb_revslider_element .tp-bgimg {
filter: grayscale(100%) opacity(0.99);
-webkit-filter: grayscale(100%) opacity(0.99);
-moz-filter: grayscale(100%) opacity(0.99);
-o-filter: grayscale(100%) opacity(0.99);
-ms-filter: grayscale(100%) opacity(0.99);

transition: all 0.3s ease-in-out;
-webkit-transition: all 0.3s ease-in-out;
}
.wpb_revslider_element:hover .tp-bgimg {
filter: grayscale(0) opacity(1);
-webkit-filter: grayscale(0) opacity(1);
-moz-filter: grayscale(0) opacity(1);
-o-filter: grayscale(0) opacity(1);
-ms-filter: grayscale(0) opacity(1);
}
.wpb_revslider_element .tp-caption img {
filter: grayscale(100%) opacity(0.99);
-webkit-filter: grayscale(100%) opacity(0.99);
-moz-filter: grayscale(100%) opacity(0.99);
-o-filter: grayscale(100%) opacity(0.99);
-ms-filter: grayscale(100%) opacity(0.99);

transition: all 0.3s ease-in-out;
-webkit-transition: all 0.3s ease-in-out;
}
.wpb_revslider_element .tp-caption:hover img {
filter: grayscale(0) opacity(1);
-webkit-filter: grayscale(0) opacity(1);
-moz-filter: grayscale(0) opacity(1);
-o-filter: grayscale(0) opacity(1);
-ms-filter: grayscale(0) opacity(1);
}