Add the following code in your child theme style sheet.
#main-header {
box-shadow: 0 0px 0;
-moz-box-shadow: 0 0px 0;
-webkit-box-shadow: 0 0px 0;
}
Add the following code in your child theme style sheet.
#main-header {
box-shadow: 0 0px 0;
-moz-box-shadow: 0 0px 0;
-webkit-box-shadow: 0 0px 0;
}