.img-circle {
    border-radius: 50%
}

.person {
    border: 10px solid transparent;
    margin-bottom: 25px;
    width: 90%;
    height: 90%;
}
.person:hover {
    border-color: #f1f1f1;
}

/* RESPONSIVE IFRAME */

.intrinsic-container {
  position: relative;
  height: 0;
  overflow: hidden;
}
 
/* 16x9 Aspect Ratio */
.intrinsic-container-16x9 {
  padding-bottom: 56.25%;
}
 
/* 4x3 Aspect Ratio */
.intrinsic-container-4x3 {
  padding-bottom: 75%;
}
 
.intrinsic-container iframe {
  position: absolute;
  top:0;
  left: 0;
  width: 100%;
  height: 100%;
}

/*COLLAPSIBLE */

/* Style the collapsible content. Note: hidden by default */
.contentcollapsible {
  display: none;
  overflow: hidden;
}