html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  color: #626262;
  overflow: hidden;
}
#app {
    height: 100%;
    margin: 0px;
    padding: 0px;
    overflow: hidden;
}

::-webkit-scrollbar 
{ 
  width: 5px; 
}
  
/*定义滚动条轨道 内阴影+圆角*/
::-webkit-scrollbar-track 
{ 
  border-radius: 10px; 
  background-color: rgba(0,0,0,0.1); 
} 
  
/*定义滑块 内阴影+圆角*/
::-webkit-scrollbar-thumb 
{ 
  border-radius: 10px; 
  -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3); 
  background-color: rgba(0,0,0,0.1);
}