shenying/public/home/scss/_masthead.scss

// Styling for the masthead section

/*====================================================
                        MASTHEAD
======================================================*/

    section.masthead {
        position: relative;
        width: 100%;
        height: 100%;
        padding-top: 150px;
        padding-bottom: 100px;
        color: white;
        background: #087cf9;
        background: -webkit-linear-gradient(to left, #087cf9, $primary-col);
        background: linear-gradient(to left, #087cf9, $primary-col);

        .header-content {
            max-width: 500px;
            text-align: center;
        }

        .device-mockup.iphone6_plus.portrait.white>.device,
        .device-mockup.iphone6_plus.white>.device {
          margin:90px 0 0 0;
          width: 270px;
          height: 550px;
        }

        .header-content h1 {
            font-size: 30px;
        }

        .device-container {
            max-width: 270px;
            margin-right: auto;
            margin-left: auto;
        }

        .device-container .screen img {
            border-radius: 3px;
        }
    }    

    .bg-banner-img img{
        position: absolute;
        width: 100%;
        margin-top: -50%;
    }

    @media (min-width: 992px) {
        section.masthead {
            height: 100vh;
            padding-top: 0;
            padding-bottom: 0;
            
            .header-content {
                margin-bottom: 0;
                text-align: left;
            }
            
            .header-content h1 {
                font-size: 40px;
                font-weight: 700;
                margin: auto;
            } 

            .device-container {
                max-width: 325px;
            }
        }
    }

    @media (max-width:991px) {
        section.masthead { 
            .device-mockup.iphone6_plus.portrait.white>.device,
            .device-mockup.iphone6_plus.white>.device {
              margin:50px 0 0 0;
              width: 270px;
              height: 550px;
            }
        }        
    }