body,
html {
  height: 100%;
  margin: 0;
  background: #0310ea;
  background: -webkit-linear-gradient(to right, #560a86, #7122fa, #560a86);
  background: linear-gradient(to right, #560a86, #7122fa, #560a86);
}

#app {
  height: 100%;
}

.chat {
  margin: 15px;
}

.room,
.form {
  margin-top: auto;
  margin-bottom: auto;
}

.card {
  height: 500px;
  border-radius: 15px;
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.card.profile {
  height: 150px;
  margin: 15px;
}

.card.profile .card-header {
  color: #fff;
}

.msg_head {
  color: #fff;
  text-align: center;
  font-size: 26px;
}

.msg_card_body {
  overflow-y: auto;
}
.card-header {
  border-radius: 15px 15px 0 0;
  border-bottom: 0;
}

.card-close {
  font-size: 0.5em;
  text-decoration: underline;
  float: right;
  position: absolute;
  right: 15px;
  cursor: pointer;
}

.card-footer {
  border-radius: 0 0 15px 15px;
  border-top: 0;
}
.container {
  align-content: center;
}

.type_msg {
  background-color: rgba(86, 10, 134, 0.6);
  border: 0;
  color: white;
  height: 60px;
  overflow-y: auto;
}
.type_msg:focus {
  box-shadow: none;
  outline: 0px;
  background-color: rgba(255, 255, 255, 0.6);
}

.send_btn {
  border-radius: 0 15px 15px 0;
  background-color: rgba(0, 0, 0, 0.3);
  border: 0;
  color: white;
  cursor: pointer;
}

.msg_cotainer {
  margin-top: auto;
  margin-bottom: auto;
  margin-left: 10px;
  border-radius: 25px;
  background-color: #82ccdd;
  padding: 10px 15px;
  position: relative;
  min-width: 100px;
  line-height: 1.2rem;
}
.msg_cotainer_send {
  margin-top: auto;
  margin-bottom: auto;
  margin-right: 10px;
  border-radius: 25px;
  background-color: #75d5fd;
  padding: 10px;
  position: relative;
}

.msg_name {
  display: block;
  font-size: 0.8em;
  font-style: italic;
  color: #545454;
}

.msg_head {
  position: relative;
}