Layer isn't responsive

Hello,

I put a transparent layer below an HTML form into a slide, but when watch the slide in other display, I can appreciate which the layer isn’t responsive the layer is into the Layers Grid of the slider, and i don’t know for what isn’t responsive.

this is the style of the layer:

{

font-weight: 100;

text-decoration: none;

width: 644px;

height: 100px;

background-color: rgb(0, 0, 0);

background-color: rgba(0, 0, 0, 0.419608);

border-radius: 5px 5px 5px 5px;

border-width: 0px;

border-color: #222222;

border-style: none;

}

Please i need help, because is in the home page, and is very annoying.

Thanks.