*{
    margin: 0;
    padding: 0;
}
body{
    display: flex;
    height: 100%;
    justify-content: center;
    align-items: center;
}
#app{

    /*margin: 30px;*/
    padding: 50px;
    width: 300px;
    box-shadow: 0px 1px 3px   grey,
    0px -1px 3px   grey,
    1px 0px 3px   grey,
    -1px 0px 3px   grey;
}
.efi{
    padding: 0px !important;
}
#btn{
    width: 300px;
}
.sw{
    text-align: center;
}
.pwd{
    text-security:disc;
    -webkit-text-security:disc;
}