@media screen and (max-width:1200px) {
    .device {
        left: 20%;
        top: -36px;
    }

    footer li {
        margin-right: 10%;
    }

    .feature-content {
        width: 55%;
    }
}

@media screen and (max-width:991px) {
    .feature-1,.feature-2 {
        margin-bottom: 50px;
    }

    .device {
        display: none;
    }

    .screenshots ul li {
        width: 50%;
    }

    .screenshots-intro {
        padding: 110px 0 100px;
    }

    .feature-content {
        width: 80%;
    }

    .features-slider {
        height: 100%;
    }

    .features {
        padding-bottom: 0;
    }

    .features .device-showcase,.features-extra .macbook-wrap {
        display: none;
    }

    .features .responsive-feature-img,.features-extra .responsive-feature-img {
        display: block;
        width: 85%;
        margin: 15% auto 0;
    }

    .features .responsive-feature-img img,.features-extra .responsive-feature-img img {
        width: 100%;
    }
}

@media screen and (max-width:680px) {
    .feature-content {
        width: 60%;
    }
}

@media screen and (max-width:640px) {
    .use-btn {
        display: none;
    }

    footer li {
        display: block;
        text-align: left;
        padding: 20px 0;
        border-bottom: dashed 1px #c7cacc;
        margin-right: 0 !important;
        float: none;
    }

    nav {
        margin-top: 40px;
    }

    .overlay ul {
        margin-left: 0;
    }

    .overlay ul li a {
        padding: 20px 0;
        min-width: 120px;
        font-size: 12px;
    }
}

@media screen and (max-width:465px) {
    .hero h1 {
        font-size: 40px;
        margin: 100px 0 45px;
    }

    .screenshots ul li {
        width: 100%;
        min-height: 100%;
        float: none;
    }

    section.video i {
        font-size: 30px;
    }

    section.video h1 {
        font-size: 15px;
        font-weight: 400;
    }

    section.video {
        padding: 40px;
    }

    .feature-content {
        width: 100%;
        text-align: center;
        margin-top: 20px;
    }

    .feature-icon {
        display: block;
        margin: 0 auto;
    }

    blockquote p {
        width: 60%;
    }

    .features-slider {
        padding: 11% 50px 10%;
    }

    .how-num {
        display: block;
        margin: 0 auto;
    }

    .features .features-content {
        width: 100%;
    }
}

@media screen and (max-width:480px) {
    .features .device-showcase-left {
        position: absolute;
        bottom: -392px;
        left: 41%;
        right: auto;
        transform: translateX(-50%);
    }

    .features .ipad-wrap {
        width: 706px;
        height: 1002px;
        background: url(../img/ipad-device.png) no-repeat center center;
        z-index: 1;
        background-size: 40%;
    }

    .features .iphone-wrap {
        width: 304px;
        height: 617px;
        background: url(../img/iphone-device.png) no-repeat center center;
        position: absolute;
        left: 350px;
        bottom: 129px;
        z-index: 2;
        background-size: 40%;
    }

    .features {
        padding-bottom: 0;
    }
}