move search box up

Try adding this CSS:

#page #branding form#searchform {
    border: 1px solid black;
    position: absolute;
    top: 0.6em;
}

For future reference, try using Firebug and these CSS resources:

https://getfirebug.com/faq/

http://www.w3schools.com/css/

https://developer.mozilla.org/en-US/learn/css