Como tiro isso

#page-header .navbar {
background-color: #333;
border-color: #CCC;
padding: .5em 1.1em .6em;
}
#page-header .navbar {
background-image: -moz-linear-gradient(#313029, #58564A 10%, #313029);
background-image: -webkit-gradient(linear, 0% 0%, 0% 10% 100%, from(#313029), to(#58564A), to(#313029));
background-image: -webkit-linear-gradient(#313029, #58564A 10%, #313029);
background-image: -o-linear-gradient(#313029, #58564A 10%, #313029);
}
#page-header .navbar {
border-top: 5px solid #21C8FF!important;
height: 43px;
overflow: visible!important;
padding: 1px 10px!important;
}
#page-header .navbar li:hover {
-webkit-transition: all .2s linear;
background: url(https://i.servimg.com/u/f42/17/32/13/00/menu-s14.png) no-repeat 40% top;
}
#page-header .navbar ul[class="clearfix"] {
border: 0!important;
padding-top: 4px;
width: 90%;
}
#page-header .navbar a, #page-header .navbar a:visited {
text-decoration: none;
}
#page-header .navbar a, #page-header .navbar a {
color: #EDEDED;
font-family: Ravie,Trebuchet MS,"Lucida Grande",Verdana,Helvetica,Arial,sans-serif;
font-size: 12px;
font-weight: 700;
margin: 0;
}
#page-header .navbar li a {
background: url(https://i.servimg.com/u/f42/17/32/13/00/nav-di10.png) repeat-y center right;
color: white;
font-family: Arial,Helvetica,sans-serif!important;
font-size: 14px!important;
font-weight: 700;
margin: 0!important;
padding: 14px 7px 14px 0;
text-decoration: none!important;
}
#page-header .navbar li {
-moz-transition: all .2s linear;
-o-transition: all .2s linear;
-webkit-transition: all .2s linear;
background: url(https://i.servimg.com/u/f42/17/32/13/00/menu-s14.png) no-repeat 40% -10px;
padding-top: 14px;
position: relative;
transition: all .2s linear;
}
#page-header .navbar li {
display: inline;
font-size: 1.15em;
}

Painel de Controle Visualização Imagens e Cores Cores Folha de Estilo CSS

Código:

ul.navlinks {border-bottom: transparent !important;}