Answers for "bootstrap width large screen only"

bootstrap media queries

/* Large desktops and laptops */
@media (min-width: 1200px) {

}

/* Landscape tablets and medium desktops */
@media (min-width: 992px) and (max-width: 1199px) {

}

/* Portrait tablets and small desktops */
@media (min-width: 768px) and (max-width: 991px) {

}

/* Landscape phones and portrait tablets */
@media (max-width: 767px) {

}

/* Portrait phones and smaller */
@media (max-width: 480px) {

}

how to make hr class bootstrap full width

/* It is done with the <hr> tag. Then you need to give it a class name, and adjust the margin accordingly. See below for an example. 
  */

.solid {
  margin: 0 -15px;
  border: 0;
  border-top: 1px solid #c9c7c7;
}