.brand-logo > img {
  border-radius: 50%;
}

.avatar {
  border-radius: 50%;
}

div.footer2 {
  visibility: hidden;
  display: none;
}
.my-container { 
/*  border: 3px solid green;*/
  display: flex;
  flex-flow: column;
  height: 100%;
}

.my-container .my-vertical-center {
  flex: 1 1 auto;
}