Here you can modify css to resolve the issue
in qa-new-members.css fild from new-membres-widget folder
on line #101 find below
.qa-new-members-list li.qa-new-member-avatar{
padding:5px 0;
border-bottom:1px solid #ddd;
border-top:1px solid #fafafa;
}
Modify with
.qa-new-members-list li.qa-new-member-avatar{
padding:12px 0;
border-bottom:1px solid #ddd;
border-top:1px solid #fafafa;
}
on line #106 find below
.qa-new-members-list li.qa-new-member-avatar:first-child{
border-top:none;
}
add after
.qa-new-members-list .qa-avatar-box{
padding: 0;
}
This should resolve all alignment issue. Once fixed please select this as a fixed so other can refer it.