.App {
  text-align: center;
  height: 100vh;
  display:flex;
  flex-direction:column;
}
.btn-block {
  display: block;
  width: 100%;
}
.fill-height{
  flex:1;
  overflow-y: scroll;
}
.text-left{
  text-align: left !important;
}


.relative {
  position: relative;
}
.fixed-tr {
  position: absolute;
  z-index: 10000000;
  top:5px;
  right: 10px;
}