If you want to change Carousel header text style
You can follow these.
#1. Carousel header text color
You can access Site Styles > Colors > Find this option
You can also use this code to Custom CSS to change its color.
span.summary-header-text {
color: #f1f !important;
}
#2. Carousel header text style (font, size…)
You can use this to Custom CSS box
span.summary-header-text {
color: #f1f !important;
font-size: 30px;
font-family: monospace;
letter-spacing: 3px;
line-height: 30px;
}
Result
