1.Change Contents for class intro-text. Html markup is given below.
<div class="intro-text">
<h1>Welcome To The <span>Great Sulfur</span></h1>
<p>Generate a flood of new business with the <br> power of a digital media platform</p>
<a href="#feature" class="page-scroll btn btn-primary">Read More</a>
</div>
*Make sure you use the span tag for that text your want to changed color with template accent color.
2. Image Change from CSS
.page-header {
background: url(../images/banner.jpg) no-repeat;
……
}
Replace url with you image path.