Remove Title Header from Webpart

Add this stylesheet elements to the page by using content editor webpart

<style type="text/css">

.ms-viewheadertr {

 DISPLAY: none

}

.ms-vhltr {

 DISPLAY: none

}

</style>

Before:

After:

People Search WebPart Small Font Fix

Here is the CSS to add by throwing the content editor web part or through attaching your own custom style sheet
.s4-search INPUT.ms-sbplain
{
border-bottom: #e3e3e3 1px solid;
border-left: #e3e3e3 1px solid;
padding-bottom: 0px;
padding-left: 3px;
width: 191px !important;
padding-right: 3px;
background: url(/_layouts/images/bgximg.png) #fff repeat-x 0px -511px;
height: 17px;
font-size: 13px;border-top: #e3e3e3 1px solid;
border-right: #e3e3e3 1px solid;
padding-top: 2px;
}

 Before

After

Note: If you just grab and implement font-size, SharePoint always try to over write with default search style sheet