CSS help – text color and button

Hi all,

I have added the following CSS to DIVI theme, but it does not seem to changing the text color or button – can anyone spot what I’ve done wrong?

http://livebreathehike.co.uk/

input.wpcf7-form-control .wpcf7-submit {
border-width: 2px !important;
border-radius: 4px;
letter-spacing: 0px;
font-size: 17px;
padding: 0.3em 1em;
padding-left: 1em;
padding-right: 1em;
font-size: 17px !important;
background: rgba(255,255,255,0);
color: #ffffff !important;
border-color: #ffffff !important;
border-radius: 4px;
cursor:pointer;
border:solid;
}
input.wpcf7-form-control.wpcf7-submit:hover {
color: #e50000 !important;
border-color: #E50000 !important;
background:rgba(0,0,0,0.1);
}
.wpcf7-text
{background-color: #eee !important;
border: none !important;
width: 35% !important;
-moz-border-radius: 0 !important;
-webkit-border-radius: 0 !important;
border-radius: 0 !important;
font-size: 20px;
color: #000000 !important;
padding: 10px !important;
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}