кнопка плавает справа
<div class='container'>
<button class="button-1">button 1</button>
<button class="button-2">button 2</button>
</div>
<style>
.container {
width:200px;
display:inline-block;
overflow: auto;
white-space: nowrap;
margin:0px auto;
border:1px red solid;
}
.button-1{
float-left;
}
.button-2{
float-right;
}
</style>
Dionoh