html{
    width: 100%;
    height: 100%;
}
body{
    width: 100%;
    height: 100%;
    background-position: top left;
    background-size: 100%;
    background-repeat: no-repeat;
}
.screen{
    display: none;
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    overflow-y: hidden;
}
.background{
    z-index: 0;
}
.windowLayer{
    z-index: 1;
}
.powerButton, .loginButton{
    display: block;
}
.powerButton img, .loginButton img{
    width: 100%;
    min-width: 32px;
}
.powerButton img:hover, .loginButton img:hover{
    cursor: pointer;
}
.menuItem{
    z-index: 10;
}
.hideItem{
    opacity: 0.0;
    transition: opacity 0.5s;
    -webkit-transition: opacity 0.5s;
    -moz-transition: opacity 0.5s;
    -op-transition: opacity 0.5s;
    -ms-transition: opacity 0.5s;    
}
.dialog{
    display: inline-block;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    padding: 1em;
    position: absolute;
    top: 50%;
    left: 50%;  
}
.dialogClose{
    display: inline-block;
    position: absolute;
    top: 0px;
    right: 0px;
    width: 16px;
    margin: 3px;
    cursor: pointer;
}
#powerButtonB, #loginButton{
    width: 32px;
    float: right;
    margin: 10px 5px;
}
#powerButtonW{
    display: block;
    position: fixed;
    top: 50%;
    left: 50%;
    width: 10%;
    margin-top: -5%;
    margin-left: -5%;
}
#screenBG{
    display: block;
    top: 0px;
    left: 0px;
    width: 100%;
    opacity: 0.55;
}
#screenL0{
    display: block;
    z-index: 0;
}
#screenL1{
    display: block;
    z-index: 1;
}
#logo{
    display: inline-block;
    position: relative;
    background-color: white;
    border: solid 1px #e0e0e0;
    border-radius: 5px;
    background-position: center;
    background-size: 80%;
    background-repeat: no-repeat;
}
#loginWindow{
    position: absolute;
    z-index: -1;
    top: 0px;
    left: 0px;
    display: block;
    width: 100%;
    height: 100%;;
    background-color: rgba(0,0,0,0.5);
}
#loginWindow .dialog{
    width: 15em;
    height: 5em;    
    margin-left: -7.5em;
    margin-top: -2.5em;      
}
#loginMessage{
    display: block;
    color: red;
    text-align: center;
}