* {
    box-sizing: border-box;
    margin: 0;
    border: 0;
}
h1{
	text-align: center;
	font-family:  Arial, Helvetica, sans-serif;
	margin: 50px;
	font-size: 30px;
}

 .row {
  width: 100%;
  position: relative;
 }

.container {
  position: relative;
  margin: 15px;
}

.box {
  border: 1px solid black;
  background-color: gray;
  margin: 15px;
}

.first{
	background-color: red;
	position: relative;
	bottom: 1px;
	float: right;
	padding: 5px;
	border: 1px solid black;
	font-size: 15px;
}
.second{
	background-color: pink;
	position: relative;
	float: right;
	padding: 5px;
	border: 1px solid black;
	font-size: 15px;
}
.third{
	background-color: blue;
	position: relative;
	float: right;
	padding: 5px;
	border: 1px solid black;
	font-size: 15px;
}
.content {
  margin: 30px;
  font-size: 20px;
  text-align: justify;
}
  /********** for laptop **********/
@media (min-width: 992px) {
    .col-lg-4 {
        float: left;
        width: 33.33%;
    }
  }
  /********** for tablet  **********/
  @media (min-width: 768px) and (max-width: 991px) {
    .col-md-6, .col-md-12 {
      float: left;
    }
    .col-md-6 {
      width: 50%;
    }
    .col-md-12 {
        width: 100%;
    }
 }
  
  /*********** for Mobile **********/
  @media (min-width: 0px) and (max-width: 767px) {
    .col-sm-12 {
        float: left;
      width: 100%;
    }
  }