.bioindex-help {
position: absolute;
background: white;
border: 1px solid gray;
border-radius: .5em;
padding: 1em;
}
.bioindex-entry input {
border: 0;
border-bottom: 1px solid gray;
transition: width 100ms;
}
.bioindex-dummy {
position: absolute;
visibility: hidden;
left: -9999px;
white-space: pre;
}
/* Only show help when current area is focused */
* ~ .bioindex-help {
visibility: hidden;
opacity: 0;
margin-top: -2em;
transition: margin-top, opacity;
transition-duration: 250ms;
}
input:focus ~ .bioindex-help {
visibility: visible;
opacity: 1;
margin-top: 0;
}