.text-lg-start {
    text-align:center !important;
    margin-top:30px
}

.videoDemo {
    width: 950px;
    height:490px;
}


/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
    .hero {
        background-image: none;
        background-image:radial-gradient(circle,  white, #e8e8e8);
    }

    .tituloH1 {
        line-height: 30px;
        font-size:30px !important;
    }

    .imgSelo {
        max-width:300px !important;
    }

    .videoDemo {
        width: 700px;
        height:200px;
    }

} 

/* Small devices (portrait tablets and large phones, 600px and up) */
@media only screen and (min-width: 600px) {

} 

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (min-width: 768px) {

} 

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {

} 

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px) {

}