style.css

img {
    max-width: 100%;
    height: auto;
}

/* General Settings :::::::::::::::::::::::::::::::::::::::::::::::::::: */

.bts_font {
    color: #394956;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.text-red {
    color: #eb5a46;
}

.text-blue {
    color: #3498db;
}

.text-green {
    color: #4bc27d;
}

.bg-red {
    background-color: #eb5a46;
}

.bg-orange {
    background-color: #ff3b00;
}

.bg-blue {
    background-color: #3498db;
}

.bg-green {
    background-color: #4bc27d;
}

#bts_content-wrapper {
    border: 1px solid #ebebeb;
    color: #394956;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    width: 100%;
}

#bts_content-wrapper,
#bts_content-wrapper div {
    box-sizing: border-box;
}

#bts_content-wrapper ul {
    list-style: none;
}

#bts_design {
    padding: 0px;
    width: 100%;
}

#bts_outerArea {
    padding: 0;
    margin: 0 auto;
    text-align: left;
}

#bts_content-inner {
    border-left: 1px solid #ebebeb;
    height: auto;
    padding: 0;
}

#bts_innerArea2 {
    max-width: 100vw;
    padding: 0;
    box-sizing: border-box;
}

#bts_innerArea2 ul {
    margin: 0 0 20px 7px;
    padding: 0;
}

a,
img {
    -moz-outline-width: 0;
    border: none;
}

#bts_main-content {
    position: relative;
}

ul.show {
    list-style: disc!important;
}

/* Header Settings ::::::::::::::::::::::::::::::::::::::::::::::::::::: */

#bts_title {
    margin: 20px 0px 0px 1px;
    padding: 0px;
    padding: 10px 12px;
}

#bts_title h1 {
    margin: 1px 0px 0px 0px;
    padding: 0px;
    font-size: 18pt;
    text-align: left;
    font-weight: bold;
    color: #31657a;
}

#bts_headerMinHeight {
    float: left;
    width: 1px;
    position: relative;
    left: -1px;
    height: 5px;
    display: none;
}

#bts_headerMinWidth {
    clear: both;
    height: 1px;
    overflow: hidden;
}

#bts_header {
    display: none;
}

/* Description Settings :::::::::::::::::::::::::::::::::::::::::::::::: */

#bts_descriptionMinWidth {
    clear: both;
    height: 1px;
    overflow: hidden;
    width: 550px;
}

#bts_descriptionMinHeight div {
    height: 200px;
    width: 1px;
}

#bts_description {
    margin-bottom: 1rem;
    padding: 0;
}

#bts_title h1 {
    text-align: left;
    font-weight: bold;
    color: #394956;
}

/* Advanced Settings ::::::::::::::::::::::::::::::::::::::::::::::::::: */

#bts_titleBonusBox {
    display: none;
}

#bts_descriptionTopBonusBox {
    display: none;
}

#bts_descriptionBottomBonusBox {
    display: none;
}

.bts_clearFloatDiv {
    clear: both;
    height: 1px;
    overflow: hidden;
    margin-top: -1px;
    line-height: 1px;
    font-size: 1px;
}

#bts_imageAreaBottom {
    padding: 20px 0;
    clear: both;
    text-align: center;
    margin-top: 15px;
}

.bts_storeNameSlogan {
    position: relative;
}

.bts_storeSlogan {
    padding: 10px 15px 10px;
    position: relative;
    margin: 0;
    text-align: center;
}

#bts_info-box-section {
    border-top: 1px solid #ebebeb;
    margin-top: 50px;
    padding: 0;
    line-height: 1.8;
    font-size: 14px;
}

#bts_info-box-section img {
    margin-right: 10px;
    position: relative;
    width: 20px;
}

.bts_info-box {
    padding: 25px 2rem 15px;
    margin: 0;
}

.bts_info-boxTitle,
.bts_SBinfoBoxTitle,
#bts_cat-title {
    display: block;
    text-decoration: none!important;
    text-align: left;
    font-weight: bold;
    font-size: 1.2em;
    color: #31657a;
}

.bts_SBinfoBoxTitle {
    background: #f9fafa;
    border-bottom: 1px solid #ebebeb;
    margin: 0;
    text-align: left;
    padding: 10px 4% 10px 4%;
    width: 100%;
    border-top: 1px solid #ebebeb;
    box-sizing: border-box;
    text-align: center;
}

.bts_info-boxText,
.bts_SBinfoBoxText {
    box-sizing: border-box;
    line-height: 1.8;
    min-height: 50px;
    margin: 20px 10px;
}

.bts_SBinfoBox {
    height: auto;
    width: auto;
    padding: 25px 0 20px 0;
    margin-bottom: 1rem;
    position: relative;
}

.bts_info-boxTitle span,
.bts_SBinfoBoxTitle span {
    padding: 0;
    display: block;
    position: relative;
}

.bts_SBinfoBoxTitle i,
.bts_info-boxTitle i {
    display: none;
    background: #31657a;
    width: 6px;
    height: 6px;
    position: absolute;
    left: 30px;
    top: 50%;
    margin-top: -2px;
}

.bts_SBinfoBoxTitle:target i,
.bts_info-boxTitle:target i {
    display: block;
}

.bts_SBinfoBoxText a,
.bts_SBinfoBoxText a {
    text-decoration: none;
}

.bts_SBinfoBoxText a:hover,
.bts_SBinfoBoxText a:hover {
    text-decoration: underline;
}

#bts_main-content-inner {
    display: flex;
    height: auto;
    width: 100%;
}

.bts_sidebar-outer {
    height: auto;
    flex: 0 0 260px;
}

.bts_sidebar-inner {
    background: #ffffff;
    height: auto;
    width: 260px;
    padding: 0;
    position: relative;
    margin: 0;
    transition: 0.2s left ease-in-out;
}

.bts_sidebar-inner a:hover {
    background: #f1f3f5;
    color: #2a3b47!important;
}

#bts_info-box-section ol {
    padding: 0 0 0 14px;
}

#bts_cat {
    margin: 0;
    width: 100%;
    padding-bottom: 20px;
}

#bts_cat div {
    width: auto;
}

#bts_cat a {
    box-sizing: border-box;
    text-decoration: none;
    width: 100%;
}

#bts_cat div a {
    display: block;
    padding: 7px 5px 7px 17px;
    position: relative;
}

#bts_cat div a i {
    display: block;
    background: #31657a;
    width: 6px;
    height: 6px;
    position: absolute;
    left: 31px;
    margin-top: -2px;
    top: 50%;
    overflow: hidden;
}

#bts_cat div a:hover i {
    width: 8px;
    height: 8px;
    margin-top: -3px
}

#bts_cat div div a {
    padding-left: 17px
}

#bts_cat div div a i {
    width: 4px;
    height: 4px;
    left: 31px;
    margin-top: -1px
}

#bts_cat div div a:hover i {
    width: 6px;
    height: 6px;
    margin-top: -2px;
}

#bts_cat div div a span {
    display: block;
    padding: 3px 15px 4px 30px;
}

#bts_cat-title {
    padding: 40px 0 20px 16px;
}

.bts_storeNameSlogan {
    background: #f9fafa;
    border-bottom: 1px solid #ebebeb;
    position: relative;
}

.bts_storeNameSlogan img {
    margin: 10px auto;
    width: 150px;
}

.bts_sidebar-outer,
.bts_sidebar-inner,
.bts_info-box,
.bts_SBinfoBox,
#bts_cat div a {
    font-size: 0.9rem;
    color: #394956;
}

.bts_SBinfoBox ul {
    margin: 0 0 0 20px;
    padding: 0;
}

.bts_info-boxTitle,
.bts_SBinfoBoxTitle,
#bts_cat-title {
    color: #394956;
}

#bts_cat div a i,
.bts_SBinfoBoxTitle i,
.bts_info-boxTitle i {
    background-color: #394956;
}

/* Mobile Menu ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: */

/* Screen reader only */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Button styling */

.menu-toggle {
    display: inline-block;
    padding: 42px 25px 37px;
    line-height: 1em;
    font-size: 1em;
    color: #2a3b47;
    position: absolute;
    font-weight: bold;
    text-decoration: none;
    border-right: 1px solid #ebebeb;
}

.menu-toggle:hover,
.menu-toggle:focus {
    color: #111;
}

/* Default styles + Mobile firstOffscreen menu style */

.main-menu {
    position: absolute;
    left: -260px;
    top: 0;
    height: 100%;
    overflow-y: scroll;
    overflow-x: visible;
    transition: left 0.3s ease, box-shadow 0.3s ease;
    z-index: 999;
}

.main-menu .bts_sidebar-inner {
    margin: 0;
    padding: 2.5em 0 0;
    /* Hide shadow w/ -8px while 'closed' */
    -webkit-box-shadow: -8px 0 8px rgba(0, 0, 0, .5);
    -moz-box-shadow: -8px 0 8px rgba(0, 0, 0, .5);
    box-shadow: -8px 0 8px rgba(0, 0, 0, .5);
    min-height: 100%;
    width: 260px;
}

.main-menu .menu-close {
    display: block;
    padding: .75em 15px;
    line-height: 1em;
    font-size: 1.3em;
    font-weight: bold;
    color: #2a3b47;
    border-bottom: 1px solid #ebebeb;
    text-decoration: none;
    width: 100%;
    text-align: right;
}

.main-menu .menu-close {
    position: absolute;
    right: 0;
    top: 0;
}

/* On small devices, allow it to toggle... */

/* :target for non-JavaScriptaria-expanded="true/false" will be for JavaScript */

.main-menu:target,
.main-menu[aria-expanded="true"] {
    left: 0;
    outline: none;
    -moz-box-shadow: 3px 0 12px rgba(0, 0, 0, .25);
    -webkit-box-shadow: 3px 0 12px rgba(0, 0, 0, .25);
    box-shadow: 3px 0 12px rgba(0, 0, 0, .25);
}

.main-menu:target .menu-close,
.main-menu[aria-expanded="true"] .menu-close {
    z-index: 1001;
}

.main-menu:target div.bts_sidebar-inner,
.main-menu[aria-expanded="true"] div.bts_sidebar-inner {
    position: relative;
    z-index: 1000;
}

/* We could us `.main-menu:target:after`, butit wouldn't be clickable. */

.main-menu:target + .backdrop,
.main-menu[aria-expanded="true"] + .backdrop {
    position: absolute;
    display: block;
    content: "";
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 998;
    background: #000;
    background: rgba(0, 0, 0, .85);
    cursor: default;
}

@supports (position: fixed) {
    .main-menu,
    .main-menu:target + .backdrop,
    .main-menu[aria-expanded="true"] + .backdrop {
        position: fixed;
    }
}

/*Larger screen stylingHorizontal menu*/

@media (min-width: 800px) {
    .menu-toggle,
    .main-menu .menu-close {
        display: none;
    }
    /* Undo positioning of off-canvas menu */
    .main-menu {
        position: absolute;
        left: 0;
        overflow: visible;
        top: 96px;
        height: auto;
        width: 260px;
    }
    .main-menu .bts_sidebar-inner {
        /* Undo off-canvas styling */
        padding: 0;
        -webkit-box-shadow: none;
        -moz-box-shadow: none;
        box-shadow: none;
        height: auto;
        width: auto;
        background: none;
    }
}

header {
    padding: 0;
    display: flex;
    align-items: baseline;
}

/* Product-Specific Description :::::::::::::::::::::::::::::::::::::::::::::: */

.bts_product-specific {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    font-size: 1rem;
    padding: 0;
    position: relative;
    width: 100%;
}

.product-divider {
    background: #f9fafa;
    border-bottom: 1px solid #ebebeb;
    border-top: 1px solid #ebebeb;
    margin: 0;
    padding: 25px 1rem 15px 4%;
    text-align: left;
    width: 100%;
}

.bts_product-specific > div:nth-child(1) {
    border-top: none;
}

.product-divider h3,
.product-divider b {
    background: inherit;
    color: #555;
    display: inline-block;
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    padding: 0;
    position: relative;
    text-transform: uppercase;
}

.bts_product-specific ul li,
.bts_product-specific table {
    border-top: 1px solid #ebebeb;
    font-size: 0.9rem;
    line-height: 1.5em;
    padding: 12px 8px;
    margin-left: 0;
}

.gr-descr {
    font-size: 0.9rem;
}

.bts_product-specific ul > li:first-child {
    border: 0;
}

.pd_content {
    width: 100%;
}

.pd_content h3,
.pd_content .content-content > b {
    font-size: 1em;
    padding-left: 13px;
}

.avoidwrap {
    display: inline-block;
}

.bts_product-specific .field-label {
    font-weight: 700;
    margin-right: 3px;
}

.content-content {
    padding: 20px 0 10px 30px;
    width: 100%;
}

.content-content.extra-pad {
    padding-top: 40px;
}

.content-content-pl {
    padding: 0;
}

.bts_compat-device {
    margin-top: 15px;
    margin-bottom: 8px;
}

.gr-row {
    margin: 0 0 8px 7px;
    border-bottom: 1px solid #ebebeb;
    padding: 8px 8px 8px 16px;
}

.gr-letter {
    width: 40px;
    display: inline-block;
    position: relative;
    top: -29px;
    font-size: 1.1em;
}

.gr-row.single .gr-letter {
    top: 0;
}

.select.gr-row .gr-descr,
.select.gr-row .gr-letter {
    font-weight: bold;
}

.gr-descr {
    display: inline-block;
}

.gr-descr > div {
    margin-bottom: 12px;
}

.border-b-none {
    border-bottom: none!important;
}

#compatibility .content-content > b {
    display: block;
    font-size: 1.1em;
    margin-left: 2rem;
    padding: 16px 8px 12px;
}

.product-link {
    -webkit-box-flex: 0;
    -ms-flex: 0 0 33.3%;
    flex: 0 0 33.3%;
}

.product-link .pl-link {
    border-right: 1px solid #d3dae0;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-wrap: nowrap;
    flex-wrap: wrap;
    height: 100%;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-around;
    padding: 0;
    text-decoration: none;
    width: 100%;
}

.product-link .pl-link:last-of-type {
    border-right: none;
}

.product-link .pl-link .pl-thumbnail {
    height: auto;
    margin: auto 2%;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    width: 35%;
}

.product-link .pl-link .pl-title {
    margin: 0;
    padding: 0 15px;
    font-size: 0.9rem;
    line-height: 20px;
    width: 100%;
}

.product-link .pl-link .pl-button {
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    height: 42px;
    font-size: 20px;
    padding: 10px 15px;
    background: #3498db;
    color: #ffffff;
    margin-top: 15px;
    text-align: center;
}

.bts_about-beets {
    height: 0px;
    margin: 0;
    overflow: hidden;
    padding: 0;
}

.bts_grade-selected {
    font-weight: bold;
}

@media (max-width: 800px) {
    .bts_storeNameSlogan {
        position: fixed;
        width: 100%;
        z-index: 999;
        top: 0;
    }
    #bts_main-content {
        margin-top: 96px;
    }
    .bts_sidebar-outer {
        display: none!important;
    }
    #bts_design div {
        max-width: 100%;
    }
    #bts_content-inner {
        border-left: none!important;
    }
    .product-divider {
        height: initial;
        padding: 2rem 1rem 1rem 4%;
    }
    .product-divider h3 {
        -webkit-box-flex: 0;
        -ms-flex: 0 0 92%;
        flex: 0 0 92%;
        font-size: 1rem;
        top: 0;
    }
    .pd_content {
        -webkit-box-flex: 0;
        -ms-flex: 0 0 100%;
        flex: 0 0 100%;
    }
    .content-content {
        padding: 4vh 0 2vh;
        width: 100%;
    }
    .bts_product-specific ul:first-of-type li:first-child {
        border-top: 0;
        padding-top: 0;
    }
    .bts_product-specific ul li,
    .bts_product-specific ul li p,
    .bts_product-specific .warranty-field p,
    .gr-descr {
        font-size: 1rem;
    }
    .product-link {
        -webkit-box-flex: 0;
        -ms-flex: 0 1 50%;
        flex: 0 1 50%;
    }
}