Change avatar size

This is an example of how to increase or change avatar size in the threads list:

.bp-messages-wrap .bp-messages-side-threads .threads-list .thread .pic {
    width: 50px !important;
    height: 50px !important;
}
.bp-messages-wrap .bp-messages-side-threads .threads-list .thread .pic img {
    width: 50px !important;
    height: 50px !important;
}

.bp-messages-wrap .bp-messages-side-threads .threads-list .thread .pic.group>* {
    width: 24px !important;
    height: 24px !important;
}

.bp-messages-wrap .bp-messages-side-threads .threads-list .thread .pic.group>* .avatar {
    width: 24px !important;
    height: 24px !important;
}