* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow: hidden;
}

#login-page {
    text-align: center;
}

.nickname  {
    color:blue;margin-right:20px;
}
.hidden {
    display: none;
}

.user-container {
    float: right;
    margin-right:5px;
}

#login-container {
    background: #f4f6f6 ;
    border: 2px solid #ccc;
    width: 100%;
    max-width: 500px;
    display: inline-block;
    margin-top: 42px;
    vertical-align: middle;
    position: relative;
    padding: 35px 55px 35px;
    min-height: 250px;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    margin: 0 auto;
    margin-top: -160px;
}


#chat-container {
    position: relative;
    height: 100%;
}

#chat-container #messageForm {
    padding: 20px;
}

#chat-container {
    border: 2px solid #d5dbdb;
    background-color:  #d5dbdb ;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;

    margin-top: 30px;
    height: calc(100% - 60px);
    max-height: 600px;
    position: relative;

}

#chat-container ul {
    list-style-type: none;
    background-color: #fff;
    margin: 0;
    overflow: auto;
    overflow-y: scroll;
    padding: 0 20px 0px 20px;
    height: calc(100% - 150px);
}

#chat-container #messageForm {
    padding: 20px;
}

#chat-container ul li {
    line-height: 1.5rem;
    padding: 10px 20px;
    margin: 0;
    border-bottom: 1px solid #f4f4f4;
}

#chat-container ul li p {
    margin: 0;
}

#chat-container .event-message {
    width: 100%;
    text-align: center;
    clear: both;
}

#chat-container .event-message p {
    color: #777;
    font-size: 14px;
    word-wrap: break-word;
}

#chat-container .chat-message {
    position: relative;
}

#messageForm .input-message  {
    float: left;
    width: calc(100% - 85px);
}

.connecting {
    text-align: center;
    color: #777;
    width: 100%;
}