* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
h1 {
  font-size: 1.5em;
  font-weight: normal;
  opacity: 0.8;
}
body {
  font: 14px Helvetica, Arial;
  font-size: 0.875rem;
  background: #eee;
}
header {
  z-index: 1000;
  position: fixed;
  padding: 0 10px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  background-image: linear-gradient( 135deg, #43CBFF 10%, #9708CC 100%);
  color: #eee;
}
header h1,
h2 {
  line-height: 2em;
}
header .count {
  opacity: 0.7;
}
form {
  display: flex;
  box-sizing: border-box;
  background-image: linear-gradient( 135deg, #43CBFF 10%, #9708CC 100%);
  padding: 3px;
  position: fixed;
  bottom: 0;
  width: 100%;
}
form input {
  flex: 1;
  border: 0;
  padding: 10px;
  margin-right: 0.5%;
  outline: none;
}
form button {
  background: #9708CC;
  color: #eee;
  border: none;
  padding: 10px;
  font-size: 1.2em;
  font-weight: bold;
  vertical-align: -0.1em;
}
#messages {
  list-style-type: none;
  margin: 0;
  padding: 3em 0 50px 0;
  background: #eee;
}
#messages li {
  padding: 5px 10px;
  word-break:break-all;
}
/* #messages li:nth-child(odd) {
  background: #eee;
} */
.nickname.self {
  color: #3a6d99;
}

#notice {
  position: fixed;
  top: 3em;
  box-sizing: border-box;
  width: 100%;
  padding: 1em 0.5em;
  border-radius: 0.25rem;
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeeba;
  animation-fill-mode: forwards;
}