#simulator {
    transform: scale(1);
    transform-origin: top;

    width: 466px;
    text-align: center;
    position: relative;
}

#simulator img {
    width: 466px;
}

#simulator #simulator_html {
    width: 375px;
    height: 697px;
    position: absolute;
    left: 47px;
    bottom: 41px;
    border-radius: 0px;
    background: #DBE4E2;
    /*background-color: rgba( 255, 255, 255, 0.2);*/
}
.simulatorBtn {
    width: 466px;
    text-align: center;
}

.simulator-by-image img{
    width: 375px !important;
    /* box-shadow: 0 2px 10px 3px #00000005; */
    margin-left: 2px;
}

.simulator-by-image img:hover {
    cursor: pointer;
}

.simulator-top, .simulator-main {
    width: 466px;
}

.bighr {
    border-bottom: solid 3px #fff;
    border-top: solid 3px #d9d9d9;
    width: 100%;
    margin-bottom: 48px;
}

.main-tabs {

}

.main-tabs .nav {
    margin: auto 0px;
    display: inline-flex;
}

.main-tabs .nav-pills .nav-link.active, .main-tabs .nav-pills .show>.nav-link {
    background: initial;
    color: #D3E2FD;
    border-bottom: solid 2px #377E62;
    border-radius: 0px;
    background: rgba(255, 255, 255, 0.12);
    padding: 8px 32px;
}

.main-tabs .nav-pills .nav-link {
    color: #fff;
    border-radius: 0px;
    border-bottom: solid 2px rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.06);
    padding: 8px 32px;
}

.lead {
    width: 100%;
    margin-top: 16px;
}

.lead .slogan {
    width: 70%;
    margin: 0px auto;
    line-height: initial;
    margin-bottom: 24px;
}

.highlight {
    background: #4A4537;
    padding: 0px 4px 2px;
    border-radius: 2px;
    margin: 0px 2px;
}

.lead .slogan:hover .highlight {
    background: #745F22;
}

.lead .slogan .line {
    padding-bottom: 4px;
}

.rating {
    display: flex;
    margin-bottom: 16px;
}

.rating > input{ display:none;}

.rating > label {
    position: relative;
    width: 1em;
    font-size: 24px;
    color: #FFBE00;
    cursor: pointer;
}
.rating > label::before{
    content: "\2605";
    position: absolute;
    opacity: 1;
}
.rating > label:hover:before,
.rating > label:hover ~ label:before {
    opacity: 1 !important;
}

.rating > input:checked ~ label:before{
    opacity:1;
}

.rating span {
    margin-top: 8px;
    margin-left: 16px;
}

.simulatorBtn .btn-default {
    padding: 3px 12px;
}

.demos .content {
    text-align: left;
    padding-left: 36px;
    padding-top: 16px;
}

.demos .content .qr img{
    width: 180px;
    border-radius: 8px;
}

.demos .content .desc {
    margin-bottom: 24px;
}

.demos .content .cta {
    margin-bottom: 16px;
}

.demos .content .cta .btn {
    width: 100%;
}

.demos .col-demo {
    text-align: -webkit-center;
}

.demos h4 {
    margin-bottom: 4px !important;
}

.demos .desc {
    margin-bottom: 16px;

}

.demos .desc .qr {
    width: 100%;
    text-align: center;
    padding: 16px 0px 4px;
    font-size: 12px;
    background: #fff;
    border-radius: 8px;
    margin-top: 16px;
    margin-bottom: 16px;
}


.demos .col-iphone {
    /*min-width: 466px;*/
    margin-bottom: 24px;
}

.page-header {
    background: #212121;
    color: #f5f5f5;
    padding: 24px 0px 0px 0px;
    margin-bottom: 36px;
    position: relative;
}

.page-header:before {
    content: ' ';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0.2;
    background-image: url(https://naviplus.b-cdn.net/demo/webs/navi-bg.jpg);
    background-repeat: no-repeat;
    background-position: 50% 0;
    background-size: cover;
    z-index: 0;
}

.page-header .content {
    z-index: 1;
    position: relative;
}

.page-header .logo {
    border-radius: 12px;
    width: 100px;
}

.page-header a {
    color: #DDEBFF;
    text-decoration: none;
}

.page-header a:hover {
    color: #CBE0FF;
}

.col-col-center {
    min-width: 400px;
}

.col-col-left {
    max-width: calc((100% - 820px) / 2);
}

@media (min-width: 1200px) and (max-width: 1439px) {
    .container, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
        max-width: 96%;
    }
}


.bd-placeholder-img {
    font-size: 1.125rem;
    text-anchor: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

@media (min-width: 768px) {
    .bd-placeholder-img-lg {
        font-size: 3.5rem;
    }
}

body main{
    background: #f0f0f0;
}

.btn-group-lg>.btn, .btn-lg {
    padding: 2px 16px;
}

.navbar-expand-lg .navbar-nav .nav-link {
    font-size: 15px;
    color: #333;
    padding-left: 16px;
    padding-right: 16px;
}

#mainNav .btn-outline-primary {
    border-radius: 20px;
    padding-left: 24px;
    padding-right: 24px;

}

.navbar-brand {
    padding-top: 0px;
    padding-bottom: 0px;
}

.navbar-brand img {
    height: 42px;
}

#simulator img {
    
    box-sizing: content-box;   
} 

.live-demo #simulator img{
    border: solid 10px #eee;
    border-top: 0px;
    border-bottom: 0px;
}

.container-desktop p {
    margin-bottom: 4px;
}

footer a {
    text-decoration: none;
    color: #333;
}

@media (min-width: 0px) and (max-width: 768px) {

    h2 {
        font-size: 20px;
    }
    .lead {
        font-size: 13px;
        padding: 0px 16px;
    }

    .page-header .logo {
        width: 64px;
    }

    .page-header {
        padding: 16px 0px;
    }


    .btn-group-lg>.btn, .btn-lg {
        padding: 4px 8px;
        font-size: 14px;
    }

    #simulator {
        transform: scale(0.8);
        transform-origin: top left;
    }

    .simulator-frame {
        max-height: 680px;
    }

    #simulator img {

    }

    .lead .slogan {
        width: 100%;
        font-size: 14px;
    }

    .main-tabs .nav-pills .nav-link {
        padding: 8px;
    }

    .main-tabs .nav-pills .nav-link.active, .main-tabs .nav-pills .show>.nav-link {
        padding: 8px;
    }

    button.navbar-toggler {
        display: none;
    }

    .simulator-top, .simulator-main {
        display: none;
    }

    #simulator {
        transform: initial;
        width: initial;
    }

    #simulator img {
        border-radius: 8px;
    }

    .simulator-by-image img {
        width: 95% !important;
        margin-bottom: 16px;
    }

    .content {
        padding-left: 16px;
        width: 95%;
    }

    .content .desc {
        font-size: 14px;
    }

    .col-col-center {
        margin-bottom: 0px;
    }

    .bighr {
        margin-bottom: 0px;
    }

    footer.pt-5.my-5 {
        padding-top: 8px !important;
        margin-top: 8px !important;
    }


    .demos #simulator {
        transform: initial;
        margin-left: -40px;
    }

    #simulator {
        margin-left: 0px !important;
    }

    .col-col-left {
        display: none;
    }

    .simulator-frame {
        max-height: initial;
    }

    .demos .col-iphone {
        margin-bottom: 0px;
        padding-top: 12px;
    }

    .demos .content{
        padding-left: 8px;
        padding-top: 0px;
    }

    .page-header {
        margin-bottom: 12px;
    }


}


The simplest way to converting visitors into buyers

@media (min-width: 768px) {
    .navbar-expand-md .navbar-nav .nav-link {
        padding-right: 1.2rem;
        padding-left: 1.2rem;
        border-right: dotted 1px #444;
    }
}