im_webapp/css/base.css

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

/* Basic elements defined */

html, body {
  height:100%;
  width:100%;
  font-family: 'Roboto', Arial, sans-serif;
  font-size: 10pt;
  color: #666;
  overflow: hidden;
  background-color: silver;
  box-shadow: inset 0 10em #3949AB; /* the deep-plue stripe accross the top */
}

a {
  color: #2196f3;
  text-decoration: none;
}
a:hover,
a:focus {
  color: #0a6ebd;
  text-decoration: underline;
}
a:focus {
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

form {
  font-size: 1.2rem;
}

/* Input fields and buttons */

button {
  display: inline-block;
  font-family: inherit;
  font-size: 1.1rem;
  height: 2.2em;
  line-height: 2.2em;
  font-weight: normal;
  text-align: center;
  vertical-align: middle;
  touch-action: manipulation;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  padding-left: 2em;
  padding-right: 2em;
  border-radius: 2px;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.25);
  text-transform: uppercase;

}

button[disabled],
html input[disabled] {
  cursor: default;
  opacity: 0.65;
  box-shadow: none;
}

button.round {
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  padding: 0;
  line-height: 1;
  outline: none; /* otherwise a square outline is shown */
  box-shadow: 0 2px 0.5rem 0 rgba(0, 0, 0, 0.25);
  z-index: 2;
}

button:focus, button:hover, button:active {
  color: #fff;
}
button:active {
  box-shadow: inset 0 3px 0.5rem rgba(0, 0, 0, 0.125);
}

button.blue {
  background-color: #1e88e5; /* blue 600 */
  color: white;
}
button.blue:focus, button.blue:hover, button.blue:active {
  background-color: #1976d2;
}

textarea, input {
  font-family: inherit;
  background: transparent;
  border: none;
  border-bottom: 1px solid #ccc;
  border-radius: 0.2em;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
  width: 100%;
  margin: 0.25em 0;
  padding: 0 0.125em;
  outline: none;
  transition: all 0.2s ease-in-out;
  box-sizing: border-box;
  color: #666;
}
textarea:focus,input:focus {
  border-bottom: 1px solid #2196f3;
  box-shadow: 0 1px 0 rgba(33, 150, 243, 0.25);
}
input {
  height: 2.5em;
}
textarea {
  resize: none;
}
/* Scrollbar styling for Chrome. Firefox does not support scrollbar styling.  */
::-webkit-scrollbar {
	width: 0.6rem;
}

::-webkit-scrollbar-track {
	-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.2);
	background-color: rgba(255,255,255,0.1);
}

::-webkit-scrollbar-thumb {
	background-color: rgba(0,0,0,0.3);
}

/* END of input and buttons */

form {
  padding: 0.5em 1em;
  line-height: 1.75;
  font-size: 1.2rem;
}

/* END of basic elements */

#mountPoint {
  height: 100%;
  padding-top: 1em;
  padding-bottom: 3em;
}

/* Top-level application layout style: sidepanel + main view */
#app-container {
  position: relative;
  display: flex;
  height: 100%;
  width: 80em;
  overflow: hidden;
  margin-left: auto;
  margin-right: auto;
  border-radius: 0.25em;
  box-shadow: 1px 2px 0.3em gray;
  background-color: white;
}

#sidepanel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 30em;
  height: 100%;
}

#topic-view {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
}
/* END of top-level layout */

/* Sidepanel styles */
.panel-title {
  font-size: 1.4rem;
}

.dialog-buttons {
  display: flex;
  padding: 0.5em;
  justify-content: flex-end;
}

#side-caption-panel {
  display: flex;
  align-items: center;
  x-justify-content: space-between;
  flex: none;
  padding: 0.5em;
  height: 4em;

  background-color: #2196f3; /* blue 500 */
  color: #bbdefb; /* light-blue 100 */

  box-shadow: 0 1px 2px gray;
  z-index: 1; /* otherwise the shadow becomes invisible */
}

#side-caption-panel a {
  color: #bbdefb; /* blue 100 */
  padding-left: 0.5em;
  vertical-align: -1em; /* icons are bigger than the declared font size */
}

#side-caption-panel :hover {
  color: white;
}

#sidepanel-title {
  margin-right: auto;
  margin-left: 0.5em;
}

#self-avatar {
  width: 3rem;
  height: auto;
  flex: none;
}

/* Area which displays an error message */
#alert-box {
  padding: 0.5em;
  background-color: transparent;
}
#alert-box.error-alert {
  background-color: #ffcdd2;
  border-color: #d32f2f;
  color: #600;
}

/* List of contacts */
#contacts-panel {
  overflow-y: auto;
  margin-bottom: auto;
}

#contact-box {
  list-style: none;
}

#contact-box li {
  display: flex;
  padding: 0.35rem 0.25rem 0.5rem 0.35rem;
  min-height: 3.5rem;
  overflow: hidden;
}
#contact-box li:hover {
  background-color: #eceff1; /* blue-gray 50 highlight */
}
#contact-box li.selected {
  background-color: #cfd8dc; /* blue-gray 100 highlight */
}

#contact-box .contact-title {
  font-size: 1.05rem;
}

/* Avatar and online-offline indicator */
#contact-box .avatar-box {
  margin-right: 0.5rem;
  position: relative;
  width: 3rem;
  height: 3rem;
  overflow: hidden;
  padding: 0;
}
#contact-box .avatar {
  width: 3rem;
  height: auto;
}

/* Online-offline indicator positioned inside avatar-box */
#contact-box .online, .offline {
  font-size: 1.5em;
  line-height: 1;
  position: absolute;
  right: 0;
  bottom: 0;
}
#contact-box .online {
  color: #4caf50;
}
#contact-box .offline {
  color: #888;
}

#add-topic {
  position: absolute;
  right: 1em;
  bottom: 1em;
}
/* END of avatar box */

/* END of sidepanel styles */

/* Topic/messages view */
#topic-caption-panel {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex: none;
  padding: 0.5em;
  height: 4em;
  background-color: #b0bec5;
  box-shadow: 0 1px 2px gray;
  z-index: 1; /* otherwise the shadow becomes invisible */
}

/*
#topic-title {
}
#topic-last-seen {
}
*/

/* Scrollable panel where the messages are shown */
#messages-panel {
  padding: 0.75em;
  overflow-y: scroll;
  background-color: #eceff1;
  height: 100%;
  background-image: url("../img/ignasi_pattern_s.png");
}

/* Footer-panel with the input for the new message */
#send-message-panel {
  display: flex;
  align-items: center;
  flex: none;
  padding: 0.5em;
  background-color: #eceff1;
  box-shadow: 0 -1px rgba(0,0,0,0.1); /* Faint shadow above panel */
  z-index: 2;
}

/* A static panel shown when no topic is selected */
#dummy-view {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #e0f7fa;
}

/* Talk bubbles */
.chat-box {
  list-style: none;
  padding: 0 0 3.5em 0;
  margin: 0 1em 0 1em;
}

.chat-box li {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: flex-end;
}

.chat-box li.right {
  justify-content: flex-end;
}

.chat-box .bubble {
  position: relative;
	max-width: 32em;
  min-width: 16em;
	height: auto;
  padding: 0.75em 0.5em 0.75em 1.25em;
  margin: 0;
  text-align: left;

  border-radius: 0.5em;
	-webkit-border-radius: 0.5em;
	-moz-border-radius: 0.5em;

  /* tested in chrome 47 on mac - performance sucks
  -webkit-filter: drop-shadow(0px 1px 1px -1px rgba(0,0,0,0.3));
  -filter: drop-shadow(0px 1px 1px -1px rgba(0,0,0,0.3));
  */
}

.chat-box li.single {
  margin-top: 0.75em;
  margin-bottom: 0.75em;
}

.chat-box li.first {
  margin-top: 0.75em;
  margin-bottom: 0.15em;
}

.chat-box li.middle {
  margin-top: 0.15em;
  margin-bottom: 0.15em;
}

.chat-box li.last {
  margin-top: 0.15em;
  margin-bottom: 0.75em;
}

/* Left triangle placed bottom left flush. */
.chat-box li.left .tip::before {
  content: '';
  position: absolute;
  width: 0;
  height: 0;
  right: auto;
  left: -10px;
  top: auto;
  bottom: 0;
  border: 10px solid;
  border-top-color: transparent;
  border-right-color: transparent;
  border-bottom-color: inherit;
  border-left-color: transparent;
}

/* Right triangle placed bottom right flush. */
.chat-box li.right .tip::before {
	content: '';
	position: absolute;
	width: 0;
	height: 0;
  left: auto;
	right: -10px;
  top: auto;
	bottom: 0;
	border: 10px solid;
  border-top-color: transparent;
  border-right-color: transparent;
  border-bottom-color: inherit;
  border-left-color: transparent;
}

.chat-box .avatar {
  width: 40px;
  text-align: center;
}

.chat-box .avatar img {
  width: 32px;
  display: block;
  position: relative;
  left: 4px;
  border-radius: 50%;
}

.chat-box .bubble p {
  margin: 0;
}

/* Typing notification bubble */
.chat-box .typing {
  display: inline-block;
  border-radius: 0.5em;
  width: 2em;
  padding: 0.25em 0.35em;
  vertical-align: middle;
  text-align: center;
  color: #aaa;
}

.chat-box li.single .typing {
  margin-top: 0.75em;
  margin-bottom: 0.75em;
}

.chat-box li.last .typing {
  margin-top: 0.15em;
  margin-bottom: 0.75em;
}

.chat-box .timestamp {
  font-size: 80%;
  color: #777;
  padding-left: 1.5em;
  padding-top: 0.5em;
}

/* END of talk bubbles */
/* END of topic/mesages view */


/* Modal dialog */
.overlay {
  position: absolute;
  display: flex;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  background-color: rgba(0,0,0,0.5);
}
.modal-dialog {
  background-color: white;
  margin: auto;
}
/* END of modal dialog */

/* Miscellaneous */

/* Badge with the number of unread messages */
.badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: bold;
  background-color: #0097A7;
  color: white;
  border-radius: 1em;
  padding: 0.25em;
  min-width: 1.5em;
  text-align: center;
}

/* Color of buttons */
.blue {
  color: #2196f3; /* blue 500 */
}

/* Material icons resized from the default 24pt */
.material-icons {
  font-size: 1.4rem;
  line-height: 1;
}
.material-icons.small {
  font-size: 1rem;
}

#self-avatar.material-icons, .avatar-box .material-icons {
  font-size: 2.8rem;
}
.avatar-box .material-icons {
  color: rgba(250, 250, 250, 0.8); /* #fafafa, gray 50 */
  background-color: #bdbdbd;
  border-radius: 2pt;
}