Edit in JSFiddle

<div>
<button>Stick to right</button>
<p class="nowrap">Lorem ipsum dolor sit amet, consectetuer<p>
</div>
    
<div>
<button>Stick to right</button>
<p class="nowrap">Lorem ipsum dolor sit amet, consectetuer<p>
</div>

.nowrap {    
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
div {
    height: 30px;
    width: 400px;
    margin: 5px;
    padding: 5px;
    border: 1px solid black;
}
div:last-child {
    width: 150px;
}
button {
    float: right;
}