Hangouts mangling for Stylish extension. Probably flakey, definitely breaks shit. Proof of concept only

gistfile1.css

.PD {
  padding: 5px;
}

.JL {
  padding-left: 120px;
}

.pj>.Tn {
  float: none;
}

.Sn>.Tn {
  float: none;
}

.tk.Sn {
  padding-right: 0px;
  width: 100%;
}

.QD {
  float: left;
  margin-top: -1.9em;
}
  
.tk {
  padding: 0;
}
    
div.tk:nth-child(even) .KRQuhe {
  background-color: #f6f6f6;
}
    
.tk.pj {
  padding-left: 42px;
}
  
.Mu {
  margin-bottom: 0px;
}

.fcpPib .DH:nth-child(3) {
  display: table!important;
  right: 0%;
  width: 25%;
  position: absolute;
}

.fcpPib .DH:nth-child(1) {
  display: table;
  width: 75%;
  position: absolute;
  left: 0;
}