Hi,
Here is the css for the Revolution Slider caption styling.
.tp-caption.big_white, .tp-caption.large_text, .tp-caption.medium_text2, .tp-caption.large_text2 {
position: absolute;
color: #fff;
text-shadow: none;
font-family: "Raleway";
font-weight: 500;
margin: 0px;
border-width: 0px;
border-style: none;
}
.tp-caption.big_white{
font-size: 60px;
line-height: 60px;
background: rgba(0,0,0,0.3);
}
.tp-caption.medium_text{
font-size: 30px;
line-height: 40px;
}
.tp-caption.large_text{
font-size: 48px;
line-height: 64px;
text-align: center;
}
.tp-caption.medium_text2{
font-size: 36px;
line-height: 48px;
text-align: left;
}
.tp-caption.medium_text2 span, .tp-caption.medium_text span, .tp-caption.large_text span, .tp-caption.large_text2 span{
background: rgba(0,0,0,0.5);
padding: 0 10px;
}
.tp-caption.large_text2{
font-size: 48px;
line-height: 64px;
}