/* ---- base ---- */

html,body{ 
  margin: 0; 
  padding: 0;
  width:100%;
  height:100%;
  background:#00008B;
}

html{
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

body{
  font:normal 1% Arial, Helvetica, sans-serif;
}

canvas{
  display:block;
  vertical-align:bottom;
}

/* ---- particles.js container ---- */

#particles-js{
  width: 100%;
  height: 150%;
  background-color: #00008B;
  background-image: url('');
  background-size: cover;
  background-position: 100% 100%;
  background-repeat: no-repeat;
}
/* ---- text ---- */
.btext{
  position: absolute;
  text-align: center;
  background: #000;
  top: 5%;
  width: 100%;
  line-height: 0.4em;
}
.atext{
  position: absolute;
  text-align: center;
  color: #fff;
  font-size: 30px;
  top: 27%;
  width: 100%;
  line-height: 0.4em;
}
.ctext{
  position: absolute;
  text-align: center;
  color: #fff;
  font-size: 10px;
  top: 110%;
  width: 100%;
  line-height: 0.4em;
}
.etext{
  width:100%;
  position: absolute;
  text-align: center;
  color: #fff;
  font-size: 25px;
  top: 45%;
  line-height: 1.6em;
}
.videoplayer{
  width: 100%;
  border: #fff;
  display: flex;
  justify-content: center;
  position: absolute;
  text-align: center;
  overflow: hidden;
  top: 55%;
  line-height: 1.6em;
}
.videoplayer1title{
  position: absolute;
  text-align: center;
  color: #fff;
  font-size: 10px;
  top: 52%;
  width: 100%;
  line-height: 0.4em;
}
/* ---- přehrávač halvní nastavení ---- */
video {
  width: 40%;
  height: auto;
  border-top: 5px solid white;
  border-top-right-radius: 10px;
  border-top-left-radius: 10px;
  border-left: 5px solid white;
  border-left-right-radius: 10px;
  border-left-left-radius: 10px;
  border-right: 5px solid white;
  border-right-right-radius: 10px;
  border-right-left-radius: 10px;
  border-bottom: 5px solid white;
  border-bottom-right-radius: 10px;
  border-bottom-left-radius: 10px;
}
a{
  position: relative;

  display: inline-block;

  padding: 15px 30px;

  color: #fff;

  text-transform: uppercase;



  letter-spacing: 4px;



  text-decoration: none;



  font-size: 18px;



  overflow: hidden;



  transition: 0.2s;



}



a:hover{



  color: #255784;



  background: #00FFFF;



  box-shadow: 0 0 10px #2196f3, 0 0 40px #2196f3, 0 0 80px #2196f3;



  transition-delay: 1s;



}



a span{



  position: absolute;



  display: block;



}



a span:nth-child(1)  {



  top: 0;



  left: -100%;



  width: 100%;



  height: 2px;



  background: linear-gradient(90deg,transparent,#2196f3);



}



a:hover span:nth-child(1) {



  left: 100%;



  transition: 1s;



}



a span:nth-child(3) {



  bottom: 0;



  right: -100%;



  width: 100%;



  height: 2px;



  background: linear-gradient(270deg,transparent,#2196f3);



}



a:hover span:nth-child(3) {



  left: 100%;



  transition: 1s;



  transition-delay: 0.5s;



}



a span:nth-child(2) {



  top: -100%;



  right: 0;



  width: 2px;



  height: 100%;



  background: linear-gradient(180deg,transparent,#2196f3);



}



a:hover span:nth-child(2) {



  top: 100%;



  transition: 1s;



  transition-delay: 0.25s;



}



a span:nth-child(4) {



  bottom: -100%;



  left: 0;



  width: 2px;



  height: 100%;



  background: linear-gradient(360deg,transparent,#2196f3);



}



a:hover span:nth-child(4) {



  bottom: 100%;



  transition: 1s;



  transition-delay: 0.75s;



}