body {
    margin: 0;
    overflow: hidden;
    user-select: none;
}
.flex{
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}
.img{
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
    width: 100%;
    height: 100%;
}
.absolute{
    position: absolute;
}
.fixed{
    position: fixed;
}
.fullSize{
    width: 100%;
    height: 100%;
}
.center{
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
div{
    pointer-events: none;
}
* {
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
     -khtml-user-select: none; /* Konqueror HTML */
       -moz-user-select: none; /* Old versions of Firefox */
        -ms-user-select: none; /* Internet Explorer/Edge */
            user-select: none; /* Non-prefixed version, currently
                                  supported by Chrome, Edge, Opera and Firefox */
}
.blink{
    animation:blink 1s ease infinite;
}
@keyframes blink {
    0%{ opacity: 1; transform: scale(1); }
    30%{ opacity: 1; transform: scale(1.1); }
    60%{ opacity: 1; transform: scale(1);  }
    100%{ opacity: 1; transform: scale(1);  }
}
@media screen and (orientation:landscape) {
    #advert{
        display:none;
    }
}