xhtml, body {height: 100%;margin: 0;}.start {position: relative;width: 100%;text-align: center;}#code-input {border-radius: 3px;padding: 5px;font-size: 16px;border: none;}button {border-radius: 3px;font-weight: bold;cursor: pointer;border: none;}.start-button {float:left;padding: 5px;margin-bottom:3px;font-size: 16px;color: white;}.start-button:not(:disabled) {background-color: #000f1c;}.start-button:disabled {cursor: not-allowed ;background-color: #7691a8;}video {width: 100%;}#chat-room {display: grid;grid-gap: 16px;width: 100%;grid-template-columns: 1fr 3fr;background: rgba(238, 238, 238, 0.5)}#remote-view-container{position: relative;grid-column: 2;background-color: black;height: 167px;margin-bottom:3px}#self-view-container{position: relative;grid-column: 1;background-color: black;height: 67px;margin-bottom:3px}#third-view-container{position: relative;grid-column: 1;background-color: black;height: 67px;margin-bottom:3px;margin-top:-110px;}#self-view {}#remote-view {height: 90%;width: 100%;}#third-view {}#view-buttons {opacity: .7;transition: opacity 0.5s ease-out;position: absolute;border-radius: 3px;background-color: darkgray;padding: 4px;right: 0;text-align: center;z-index:1;float:right;margin-right:10px;height:21px;}#view-buttons:hover {opacity: .9;}.view-button {background-color: darkgray;border-color: darkgray;border-radius: 3px;font-size: 20px;color: white;padding: 1px;}.view-button:hover {cursor: pointer;background-color: #999999;}#select-file-dialog {position: absolute;height: 100%;width: 100%;background-color:rgba(255,255,255,0.5);top: 0;left: 0;z-index: 10;}#dialog-content {position: absolute;position:absolute;top:0;bottom:0;left:0;right:0;width: 200px;height: 100px;margin: auto;background-color: white;padding: 20px;border-radius: 3px;box-shadow: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);border: 1px solid rgba(0,0,0,0.1);}#label {margin-bottom: 5px;}#dialog-footer {position: absolute;bottom: 0;left: 0;right: 0;border-top: 1px solid rgba(0,0,0,0.4);padding: 10px;}#ok-button {margin-left: 10px;background-color: #01284a;color: white;float: right;}#ok-button:disabled {cursor: not-allowed ;background-color: #7691a8;}#cancel-button {float: right;}