synapse/static/client/register/style.css

html {
    height: 100%;
}

body {
    height: 100%;
    font-family: "Myriad Pro", "Myriad", Helvetica, Arial, sans-serif;
    font-size: 12pt;
    margin: 0px;
}

h1 {
    font-size: 20pt;
}

a:link    { color: #666; }
a:visited { color: #666; }
a:hover   { color: #000; }
a:active  { color: #000; }

input {
   width: 100%
}

textarea, input {
   font-family: inherit;
   font-size: inherit;
}

.smallPrint {
    color: #888;
    font-size: 9pt ! important;
    font-style: italic ! important;
}

#recaptcha_area { 
    margin: auto
}

.g-recaptcha div {
    margin: auto;
}

#registrationForm {
    text-align: left;
    padding: 5px;
    margin-bottom: 40px;
    display: inline-block;
    
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    
    -webkit-box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.15);
    -moz-box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.15);
    box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.15);
    
    background-color: #f8f8f8;
    border: 1px #ccc solid;
}