html,
body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}
a {
  color: #444;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
a:active {
  color: #000;
}
p {
  font-weight: bold;
}
label {
  display: block;
}
label.with-radio {
  display: flex;
  align-items: center;
}
input {
  border: 1px solid #999;
  border-radius: 3px;
  font-size: 18px;
  padding: 8px;
  margin: 5px;
}
input[type='radio'] {
  width: 24px;
  height: 24px;
  margin-right: 10px;
}
button {
  background: #1357a5;
  color: white;
  border: none;
  font-size: 18px;
  padding: 8px;
  border-radius: 3px;
  min-width: 38px;
}
button:hover {
  background: #1d75e2;
}
button.red {
  background: #ed5565;
}
button.red:hover {
  background: #da4453;
}
button.green {
  background: #1c6451;
}
button.green:hover {
  background: #268c6e;
}
input {
  border: 1px solid #999;
  border-radius: 3px;
  font-size: 18px;
  padding: 8px;
  margin: 5px;
}
dl {
  width: 300px;
  font-size: 14px;
  margin: 5px 0;
}
dl > dt {
  font-weight: bold;
  width: 155px;
  display: inline-block;
}
dl > dd {
  width: 140px;
  display: inline-block;
  margin-inline-start: 0;
  vertical-align: text-top;
}

.header {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #222;
  color: white;
  box-shadow: 2px 2px 10px #777;
  padding: 15px 0;
  margin-bottom: 20px;
}
.header * {
  margin: 0;
  padding: 5px;
  font-weight: 200;
}
div.buttons {
  text-align: center;
}

#alert {
  display: none;
  font-weight: bold;
  margin: 8px;
  background: rgba(237, 55, 86, 0.6);
  border: 1px solid rgb(237, 85, 86);
  font-size: 18px;
  padding: 8px;
  border-radius: 3px;
  color: white;
}
#registrationAverage {
  display: none;
}

#registrationAverage,
.registrationBox {
  flex-direction: column;
}

#formStart,
#boxMeeting,
#formStop,
#resume {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
#boxMeeting {
  text-align: center;
}
#boxMeeting,
#formStop,
#resume {
  display: none;
}
#boxMeeting {
  font-size: 18px;
}
#resume {
  background: #f2f2f2;
  margin-top: 15px;
  padding-bottom: 15px;
}

#poweredBy {
  text-align: center;
  font-size: 14px;
  margin: 8px;
}
#heart {
  color: red;
}

#updateBar {
  visibility: hidden;
  width: calc(90vw - 32px);
  margin-left: -45vw;
  background-color: #ddd;
  color: #000;
  text-align: center;
  border-radius: 4px;
  padding: 16px;
  position: fixed;
  z-index: 1;
  left: 50%;
  bottom: 20px;
  font-size: 14px;
}
#updateBar a {
  font-weight: bold;
  color: #1357a5;
}
#updateBar.show {
  visibility: visible;
  animation: fadein 0.5s;
}
@keyframes fadein {
  from {
    bottom: 0;
    opacity: 0;
  }
  to {
    bottom: 20px;
    opacity: 1;
  }
}