body {
    margin: 0px 0px 1px 0px; /* the extra 1px allows the iOS inner/outer check to work */
    background: #000;
}

#orientation {
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../img/orientation.jpg); 
    background-repeat: no-repeat;
    background-position: center;
    background-color: rgb(0, 0, 0);
    z-index: 999;
    display: none;
}
#dialog {
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../img/diag.png); 
    background-repeat: no-repeat;
    background-position: center;
    /*background-color: rgb(0, 0, 0);*/
    z-index: 999;
    display: none;
    overflow: hidden;
}

.center {
  margin: auto;
  width: 80%;
  line-height: 200px;
  height: 200px;
  border: 3px solid green;
  text-align: center;
}

.center p {
  line-height: 1.5;
  display: inline-block;
  vertical-align: middle;
}


cimg {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 40%;
}

button{
    min-width: 200px;
    height: 40px;
}