#changedepot {
    width:auto;
}
.mwstbutcontainer span
{
  width: 2.7em;
  font-size: 0.8em;
  background-color: #F3F1FA;
  padding: 0.2em;
  border: 1px solid #E3E1EA;
  border-radius: 5px;
  display: inline-block;
}
.mwstbutcontainer span:hover
{
    background-color: lightgreen;
}