Como alterar a barra do meu fórum

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.headerbar {
background: #E8E8E8 url(https://i.imgur.com/VFT8y.png) repeat top center;
border-bottom-color: #1B3759;
border-bottom-style: solid;
border-bottom-width: 0px;
min-height: 64px;
margin-left: -12px;
margin-top: -12px;
}
.headerbar {
background-color: #296FA5;
background-image: url(https://2img.net/i/fa/empty.gif);
background-repeat: repeat-x;
border-bottom: 1px solid #296FA5;
margin: 0;
padding: 1.5em 1em 1em;
text-align: left;
}
div.navbar ul.linklist {
background-color: white;
background-image: url("https://i.imgur.com/8EGlg.png");
background-repeat: repeat-x;
color: white;
font-size: 13px;
height: 20px;
margin-bottom: 10px;
margin-left: -12px;
}
div.navbar ul.linklist {
background-color: #18405E;
border-color: #DDD;
padding: .5em 1.1em .6em;
}

/* ---------------- Barra de rolagem Google Chrome---------------- */
::-webkit-scrollbar {
width: 15px;
height: 5px; }
::-webkit-scrollbar-track-piece {
background: #ffffff;
}
::-webkit-scrollbar-thumb:vertical {
height: 5px;
background: #00569C;
border-radius: 10px;
}
::-webkit-scrollbar-thumb:horizontal {
width: 5px;
background-color: #00569C;
}