Modify below code in qa-styles.css
Find around line #1794
.qa-a-item-main {
display: inline-block;
float: left;
padding-left: 10px;
width: 610px;
}
Replace with
.qa-a-item-main {
display: inline-block;
float: left;
padding-left: 10px;
width: 608px;
}
Add below code in qa-styles.css at the bottom
.entry-content {
word-wrap: break-word;
}