how to make a line go from one length to another in css code example

Example 1: restrict a paragraph height css

.class{
   word-break: break-word;
   overflow: hidden;
   text-overflow: ellipsis;
   display: -webkit-box;
   line-height: 16px; /* fallback */
   max-height: 32px; /* fallback */
   -webkit-line-clamp: 2; /* number of lines to show */
   -webkit-box-orient: vertical;
}

Example 2: text-overflow: ellipsis; 2 line

display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
text-overflow: ellipsis;