Use created-date as id

[vopamoi] / vopamoi.css

input {
  width: calc(100% - 8px); /* 8px to account for the default padding and border */
}
.tag {
  float: right;
  margin-left: 1em;
  font-size: 80%;
}
span.tag {
  color: white;
  padding: 1px .5em;
  font-weight: bold;
}
input.tag {
  width: 7em;
  border: none;
}
.hide {
  display: none;
}
.task {
  clear: right;
}
.task > .task {
  margin-left: 1em;
}
.statedate {
  font-size: 80%;
  margin-right: 0.5em;
  padding: 0 .2em;
  border-radius: 1em;
}
.task[data-state=cancelled]     > .statedate { background-color: #fee; }
.task[data-state=deleted]       > .statedate { background-color: #ddd; }
.task[data-state=done]          > .statedate { background-color: #efe; }
.task[data-state=someday-maybe] > .statedate { background-color: #eef; }
.task[data-state=waiting]       > .statedate { background-color: #fef; }
#ui {
  padding: 15px 10px;
}
body:before, body:after {
  content: "";
  position: fixed;
  background: var(--view-state-indicator-color);
  left: 0;
  right: 0;
  height: 5px;
}
body:before {
  top: 0;
}
body:after {
  bottom: 0;
}
body {
  margin: 0;
  min-height: 100vh;
  border-left: 5px solid var(--view-state-indicator-color);
  border-right: 5px solid var(--view-state-indicator-color);
}