.banner-image {
    background-image: url(../img/bg/online-class-1.jpg); /* The image used */
    /*background-image: linear-gradient(red, yellow, green);*/ /* linear-gradient background*/
    /*background-image: radial-gradient(blue, pink);*/ /* radial-gradient background*/
    background-color: #cccccc; /* Used if the image is unavailable */
    height: 300px; /* You must set a specified height */
    background-position: center; /* Center the image */
    background-repeat: no-repeat; /* Do not repeat the image */
    background-size: cover; /* Resize the background image to cover the entire container */
    line-height: 300px;
    text-align:center;
}

.banner-text p {
    line-height: 1.5;
    display: inline-block;
    font-size: 180%;
    padding: 15px;
    /*transform: translate(-50%, -50%);*/
    color: white;
    vertical-align: middle;
}

.banner-text img {
     margin-top:10px;
}

#banner.jumbotron{
    background-image: url(../img/bg/online-class-1.jpg) !important; /* The image used */
}

#banner.jumbotron a:hover{
    text-decoration:none !important;
}