* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
    margin: 0;
    padding: 0; 
    -webkit-user-select: none;
    -ms-user-select: none; 
    user-select: none;
}

.mainfrm {
    position:absolute;
    height: 100%;
    width:100%;
}

.logoSt{
    opacity: 0;
    margin:0em auto;
    text-align: center;
    transition: opacity 3s ease;
}

.logoPict{
    width: 35em;
    height: 23em;
}

@font-face {
    font-display: swap;
    font-family: IBMPlexSerif;
    font-style: normal;
    font-weight: 300;
    src: url(/fonts/IBMPlexSerif-Thin.woff2) format("woff2"), url(/fonts/IBMPlexSerif-Thin.woff2) format("woff")
}

.logoTxt{
    margin-top:-.3em;
    font-family: IBMPlexSerif;
    font-size: 7.6em;
    -webkit-user-select: none;
    -ms-user-select: none; 
    user-select: none;
}
.mcontent{
    display:none;
    text-align: center;
}

#player{
    width: 50em;
}

.cname {
    font-family: IBMPlexSerif;
    font-size: 2em;
    margin-bottom: 1em;  
}


.loaderMsg {
    opacity: 0;
    transition: opacity 1s ease;
    top: 1em;
    left: 1em;
    padding: .3em;
    position: absolute;   
    font-family: IBMPlexSerif;
    font-size: 2.5em;
    border-radius: .4em;
    border: 1px solid lightgray;
    background: whitesmoke;
}

.loader {
  top:.2em;
  display: inline-block;
  position:relative;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  perspective: 800px;
}

.inner {
  position: absolute;
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  border-radius: 50%;  
}

.inner.one {
  left: 0%;
  top: 0%;
  animation: rotate-one 1s linear infinite;
  border-bottom: 3px solid rgb(217, 0, 255);
}

.inner.two {
  right: 0%;
  top: 0%;
  animation: rotate-two 1s linear infinite;
  border-right: 3px solid rgb(15, 180, 200);
}

.inner.three {
  right: 0%;
  bottom: 0%;
  animation: rotate-three 1s linear infinite;
  border-top: 3px solid rgb(219, 224, 16);
}

@keyframes rotate-one {
  0% {
    transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg);
  }
  100% {
    transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg);
  }
}

@keyframes rotate-two {
  0% {
    transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg);
  }
  100% {
    transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg);
  }
}

@keyframes rotate-three {
  0% {
    transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg);
  }
  100% {
    transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg);
  }
}

/* Всплавающие окна */
.w-popup{ 
	width:100%;
	min-height:100%;
	background-color: rgba(0,0,0,0.3);
	position:fixed;
	overflow:auto;
	top:0px;
        display:none;
	opacity:0;
	z-index: 100;
	-webkit-backdrop-filter: blur(1px);
	backdrop-filter:blur(1px);
	transition: opacity .5s ease;
}

.w-alert-content{
	font-family: IBMPlexSerif;
	margin:10em auto;
	height: auto;
	width: 30em;
	padding: 1em;    
	background-color: white; 
	border-radius:.5em;
	box-shadow: 0px 0px 1em rgba(50, 50, 50, .6);
	z-index:10;
	transition: 1s;
}

/* Кнопка обычная */
.cButton {
    font-family: IBMPlexSerif;
    padding: .3em 1em;
    border-radius: .5em;
    cursor:pointer;
    -webkit-user-select: none;
    display: inline-block;
    text-decoration: none;
    font-size:1em;    
    border: .1em solid rgb(205, 205, 205);
    color:black;
    background: white;
}
.cButton:hover {
        box-shadow: 0 0 .5em rgba(0,0,0,0.3);
        background: #64c8ef;
        border: .1em solid rgb(90, 179, 214);
/*      color: rgb(255, 255, 255); */
}