body {
    background-color: #F0F8FF;
}
   .row {background-color: #FFFFFF;}

  <style>
/* unvisited link */
a:link {
    color: blue;
}

/* visited link */
a:visited {
    color: blue;
}

/* mouse over link */
a:hover {
    color: hotpink;
}

/* selected link */
a:active {
    color: darkmagenta;
}

 
    /* Add a gray background color and some padding to the footer */
    footer {
      background-color: #f2f2f2;
      padding: 25px;
    }

    .carousel-inner img {
      width: 100%; /* Set width to 100% */
      max-height: 200px;
    }

    /* Hide the carousel text when the screen is less than 600 pixels wide */
    @media (max-width: 600px) {
      .carousel-caption {
        display: none;
      }
    }
  /*make responsive image */
  .responsive-image {
  height: auto;
  width: 100%;
}