where the HTML is:

<input type="range" class="fred3" min="0" max="100" name="sld9">

and the CSS is:

input[type="range"].fred3 {
    -webkit-appearance: none;
	background-color: blue;
    height: 2px;
}

input[type="range"].fred3::-webkit-slider-thumb {
	-webkit-appearance: none;
	 width: 12px;
	 height: 12px;
     background-color:white;
     border:solid black 1px;
     border-radius:6px;   
}