CSS
.line-clamp{
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}
HTML
<div class="line-clamp">
<div>Line 1</div>
<div>Line 2</div>
<div>Line 3</div>
<div>Line 4</div>
<div>Line 5</div>
</div>
The latest version of safari appears to have bugs in regards to
overflow: hidden.
line clamp does still work for a single div in safari if you are able to reduce the number of div's used in your code.
<div class="line-clamp">
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</div>
Alternatively, this css would get the overflow to work, but does not add the ellipsis
.line-clamp{
overflow: hidden;
display: block;
font-size: 1rem;
line-height: 1.5rem;
height: 4.5rem;
}