html,
body {
  height: 100vh;
  margin: 0;
  color: white;
  background-color: #252525;
  overflow: hidden;
}

div.header {
  width: 100%;
  margin-bottom: 1em;
  border-bottom: 5px solid #757575;
  text-align: center;
}

footer {
  bottom: 0;
  left: 0;
  position: fixed;
  width: 100%;
  border-top: 1px solid #757575;
  text-align: center;
}

footer > a {
  color: white;
  text-decoration: none;
}

footer > a:hover {
  text-decoration: underline;
}

div.timeframe-list {
  height: 100%;
  width: 100%;
  margin: 0 auto;
}

@media only screen and (min-width: 600px) {
  div.timeframe-list {
    width: 70%;
  }
}

div.timeframe {
  width: 100%;
  height: 50px;
  display: flex;
}

@media only screen and (min-width: 600px) {
  div.timeframe {
    height: 70px;
  }
}

div.timeframe > .timestamp {
  width: 15%;
  border-top: 1px solid #555555;
  padding-right: 0.5em;
  float: left;
  text-align: right;
  font-size: 0.9em;
}

textarea.timeframe-todo {
  width: 70%;
  float: left;
  padding: 0.5em 1em;
  border: none;
  resize: none;
  border-top: 1px solid black;
  color: #dbdbdb;
  background-color: grey;
}

.timeframe > button.timeframe-save {
  width: 15%;
  padding: 1em 0;
  border: none;
  border-top: 1px solid black;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  text-align: center;
  color: black;
  background-color: #5acdda;
}

.timeframe > button.timeframe-save:hover {
  background-color: aquamarine;
}

.timeframe > button.timeframe-save:active {
  background-color: #87c2ef;
}