.box1 {
   width: 170px;
   float: left;
}

.box2 {
   width: 750px;
   float: left;
}

.box3 {
   width: 100%;
}

.masthead_logo {
   max-width: 155px;
   float: right;
}

.masthead_agent {
   max-width: 155px;
   float: right;
   padding-right: 25px;
   margin-left: -10px;
}

.line6, .line7 {
   margin-left: -20px;
}

.line8 {
   margin-left: -45px;
}