/*** <asp:CheckBox style ***/
input[type=checkbox] { display:none; } /* to hide the checkbox itself */
input[type=checkbox] + label:before { font-size:20px; font-family: FontAwesome; display: inline-block; width:20px; padding: 0 5px 0 0; }
input[type=checkbox] + label:before { content: "\f096"; }                       /* unchecked icon */
input[type=checkbox]:checked + label:before { content: "\f046"; color:blue; }   /* checked icon */

/*input[type=checkbox] + label:before { letter-spacing: 11px; }*/ /* space between checkbox and label */
/*input[type=checkbox]:checked + label:before { letter-spacing: 8px; }*/ /* allow space for check mark */

label { display:inline-block; padding:2px 0 2px 0; margin: 4px 20px 4px 0; }