button {
  border: none;
  outline: none;
  width: 50px;
  height: 50px;
  opacity: 0.8;
  border-radius: 3px;
  text-align: center;
  font-weight: bolder;
  cursor: pointer;
  border: 0;
}
button:active{
  transform: scale(0.95, 0.95);;
}

.btn {
  border: none;
  outline: none;
  background-color: transparent;
  border-radius: 3px;
}
.btn:hover{
  transform: translateY(-2px);  
}
.btn:active{
  transform: translateY(2px);
}
.btn:disabled{
  filter: grayscale(100%);
  transform: translateY(0px);
}

span {
  color: yellow;
  display: block;
  text-align: center;
  width: 250px;
}

.video {
  display: flex;
  background: black;
  height: 100%;
  width: 100%;
  background-size: 50px 50px;
  /* 控制条纹的大小 */
  box-shadow: 1px 1px 8px gray;

  background-image: -webkit-gradient(linear, 0 0, 100% 100%, color-stop(.25, #555), color-stop(.25, transparent), to(transparent)), -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.25, #555), color-stop(.25, transparent), to(transparent)), -webkit-gradient(linear, 0 0, 100% 100%, color-stop(.75, transparent), color-stop(.75, #555)), -webkit-gradient(linear, 0 100%, 100% 0, color-stop(.75, transparent), color-stop(.75, #555));
  background-image: -moz-linear-gradient(45deg, #555 25%, transparent 25%, transparent), -moz-linear-gradient(-45deg, #555 25%, transparent 25%, transparent), -moz-linear-gradient(45deg, transparent 75%, #555 75%), -moz-linear-gradient(-45deg, transparent 75%, #555 75%);
  background-image: -o-linear-gradient(45deg, #555 25%, transparent 25%, transparent), -o-linear-gradient(-45deg, #555 25%, transparent 25%, transparent), -o-linear-gradient(45deg, transparent 75%, #555 75%), -o-linear-gradient(-45deg, transparent 75%, #555 75%);
  background-image: linear-gradient(45deg, #555 25%, transparent 25%, transparent), linear-gradient(-45deg, #555 25%, transparent 25%, transparent), linear-gradient(45deg, transparent 75%, #555 75%), linear-gradient(-45deg, transparent 75%, #555 75%); 

  /* background-image: url("img/tray.png");
  background-repeat: no-repeat;
  background-position: center; */
}

.video-local {
  display: none;
  background: black;
  position: absolute;
  border: 1px solid lightgrey;
  height: 230px;
  width: 130px;
  bottom: 5px;
  right: 5px;
  z-index: 2;
  /* transform: scaleX(-1); */
  background-image: url("img/no-video.png");
  background-repeat: no-repeat;
  background-position: center;
}

.content {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: auto;   
  /* 0可以透传点击 */
  /* pointer-events: none; */
  -webkit-user-select: none; /* Safari */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* IE10+ */
  user-select: none; /* Standard syntax */  
}  
.toolbtns{
  display: flex;
  flex-wrap: wrap;
  position: absolute;
  left: 5px;  
  bottom:5px;
  align-items: center;
  gap: 5px;
  color: white;
  opacity: 0.7;
  z-index: 10;
}

.msg{
  display: flex;
  flex-wrap: wrap;
  position: absolute;
  width: 250px;
  left: 5px;  
  bottom:50px;
  align-items: center;
  justify-content: center;  
  gap: 5px;
  opacity: 0.8;
  z-index: 2;
}

.callctrl{
  display: flex; 
  position: fixed;
  bottom: 5px;
  display:none;
  align-items: center;
  margin-right: 10px;
  z-index: 10;
}

.statusbox {
  display: flex; 
  position: fixed;
  justify-content: space-between;
  align-items: center;
  /* font-weight: bolder; */
  top: 5px;
  gap: 10px;
  border: 10px;
  width: 100%; 
  /* height: 50px; */
  overflow: auto;
  opacity: 0.9;
  background-color: rgba(0, 0, 0, 0.2); 
  z-index: 10;
}

.dialpad {
  display: none; 
  position: absolute;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 5px;
  /* width: 250px;  */
  /* height: 250px; */
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4); 
  border-radius: 5px;
  z-index: 10;
  bottom: 55px;
}

.logo{
  display: flex;
  margin-left: 10px;
  gap:5px;
  align-items: center;
  font-weight: bolder;
}

.infobox {
  display: flex; 
  position: fixed; 
  z-index: 10; 
  justify-content: center;
  align-items: center;
  font-weight: bolder;
  border-radius: 5px;
  outline-width: 1px;
  outline-color: gray ;
  outline-style:solid;
  top: 40%;
  height: 100px;
  width: 400px; 
  overflow: auto; 
  border: 1px;
  background-color: rgba(100, 100, 100, 0.9); 
}

.callee{
  display: flex;
  gap: 5px;
  align-items:center;
}

.caller{
  display: none;
  margin-left: 5px;
  gap: 5px;
  align-items:center;
}

body,html {
  height: 100%;
  margin: 0;
  padding: 0rem;
  overflow: hidden;      
  color: white;
  font-family: "Helvetica Neue",Helvetica,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","微软雅黑",Arial,sans-serif;
  font-size: 20px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;  
}  

a:link{
  color: white;
  text-decoration:none;
}
a:hover{
  color: #ea8d20;
  text-decoration:none;
}      
a:visited{
  color: white;
  text-decoration:none;
}