/*add classes for image location*/
img.float-left {display:inline; float:left; margin:5px 15px 5px 0; max-width: 47%;}
img.float-right {float:right; margin:5px 0 5px 15px; max-width: 47%;}
img.aligncenter {display:block; margin:10px auto;}
img.border {background:#ccc; border:4px solid #f0f0f0; color:#333; padding:1px;}
/* make intro better readable */
h2.m-b-lg, h1.display-3 {margin-bottom: 0; background-color: rgba(100, 100, 100, 0.6);}
/* make navi better readable*/
ul.nav.navbar-nav.pull-right {background-color: rgba(100, 100, 100, 0.3); padding-left: 10px; padding-right: 10px;}
/* minor changes */
img {max-width: 100%}
span.icon-user {display: none}