#cubuk {
background-image: url(https://img.webme.com/pic/h/hibycocuk/bctop.png);
border-style: none;
margin:0px;
font-size:11px; 
font-family: Trebuchet MS, Arial, Verdana;
top: 0px;
margin-bottom:0px;
padding:0px;
z-index:1;
height: 30px;
left: 0px;
position: fixed;
right: 0px;
color: #fff;
width: 100%; }

.incubuksol {
float: left;
margin: 4px;
}

.incubukorta {
float: center;
margin: 4px;
}

.incubuksag {
float: right;
margin: 4px;
}

<div id="cubuk">
<div class="incubuksol">Buraya Yazı</div>
<div class="incubuksag">Buraya Yazı</div>
<div class="incubukorta">Buraya Yazı</div>
</div>