styles.css

/* Master Styles */
nav {
  color: #444;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 250%;
}
h3 {
  color: #444;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: lighter;
  font-size: 200%;
}

h2 {
  
}

.main{
  width: 100%;
  margin-left: 0%;
  display: flex;
  flex-direction: row;
}

.firstSubChild{
  width: 70%;
  background: #5FB471;
  height: 100%;
  position: relative;
}

.secondSubChild{
  width: 30%;
  height: 100%;
  position: relative;
}

#note{
  position: fixed; bottom: 80;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Helvetica Neue',Helvetica, sans-serif;
  font-size: 14px;}




body { font: 13px Helvetica, Arial; }



.user-alert{
  position: absolute; 
  top: 10;
  right: 20;
  max-width: 96%;
  overflow-wrap: break-word;
}

#newUserID{
  padding: 15px 15px 15px 15px;
  line-height: 1.2;
  transition: color 0.4s;
  font-size: 24px;
}

#leftUserID{
  padding: 15px 60px 15px 15px;
  display: inline-table;
  line-height: 1.2;
  transition: color 0.4s;
  font-size: 24px;
}

#resID{
  position: absolute; bottom: 10; margin-left: 10;
}

#divID {
background: #000; padding: 3px; position: fixed; bottom: 0; width: 100%;  
}

#divID input{
  border: 0; padding: 10px; width: 90%; 
}

#divID button {
  width: 9%; background: rgb(130, 224, 255); border: none; padding: 10px;
}


.message{
  list-style-type: none;
}

.message li .left-msg {
  background:#fff;
  border-radius:2px;
  box-shadow: 0 1px 1px rgba(0,0,0,.04);
  padding:10px;
  text-align:left;
 }


.message li .right-msg {
  background:#fffafa;
  padding:10px;
  border-radius:2px;
  box-shadow: 0 1px 1px rgba(0,0,0,.04);
  text-align:right;
}


.contain{
  display:block;
  box-shadow:0 2px 5px rgba(0,0,0,0.4);
  height: 100%;
}
.header{
  padding:20px 20px 18px 20px;
  color:#fff;
}
.header h2{
  font-size:16px;
  line-height:15px;
  display:inline-block;
  padding-bottom: 1em;
}

.chat-box, .enter-message{
  background:#d3d3d3;
  padding:0 20px;
  color:#a1a1a1;
  height: 88%;
  overflow: scroll;
}
.chat-box .message-box{
  padding:18px 0 10px;
  clear:both;
}


.message  span .name {
  padding: 5px 10px; 
  color:#555;
  font-weight:bold;
}

.message  span .msg {
  padding: 5px 10px; 
  
}

.enter-message{
  padding:13px 0px;
}

.enter-message input{
  border:none;
  cursor: auto;
  padding:10px 12px;
  width:79%;
  border-radius:2px;
  position: absolute;
  bottom: 0;
  left: 2em;
}
.enter-message button {
  padding:8px 9px;
  background:#d3d3d3;
  border-radius:2px;
  //float:right;
  position: absolute;
  bottom: 0;
  right: 2em;
  width: 11%;
}



.caption{
  position: absolute !important; 
  top: 140;
  left: 120;
  right: 90;
}
 
 .caption h2{
  font-size:20px;
  line-height:15px;
  display:inline-block;
 }

.user-list {
  //float: right;
  position: absolute !important; 
  top: 180;
  right: 10;
  border: 1px solid #d6d6d6;
  max-width: 95%;
  
}
.user-list-ul{
  list-style: none;
}
.user-list__item {
  border-bottom: 1px solid #d6d6d6;
  box-sizing: border-box;
  position: relative;
  min-height: 60px;
  background: #fff;
  padding: 1px;
  overflow-wrap: break-word;
}
.user-list__content {
  //display: table-cell;
  padding-left: 78px;
  padding-right: 60px;
  padding-top: 15px;
  min-height: 60px;
  vertical-align: middle;
  overflow-wrap: break-word;
  align-items: center;
}
.user-list__name {
  font-size: 18px;
  margin-bottom: 8px;
}
.user-list__item:hover {
  background: #fff5cf;
}
.user-list__item:last-child {
  border: none;
}
.text_size_m {
  font-size: 18px /* bem-components l-size */;
}
.check-box {
  text-align: center;
  width: 40px;
  /* auto, since non-WebKit browsers doesn't support input styling */
  height: auto;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  border: none; /* Mobile Safari */
  -webkit-appearance: none;
  -ms-appearance: none;
  appearance: none;
}
.check-box:checked:after {
  content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="-10 -18 100 135"><circle cx="50" cy="50" r="50" fill="none" stroke="#bddad5" stroke-width="3"/><path fill="#5dc2af" d="M72 25L42 71 27 56l-4 4 20 20 34-52z"/></svg>');
}