p{
  width: 300px;
}

p.w-nomal{
  word-wrap: normal;
}

p.w-break{
  word-wrap: break-all;
}
 
p.b-nomal{
  word-break: normal;
}
 
p.b-break{
  word-break: break-all;
}
 
p.b-keep{
  word-break: keep-all;
}