.play-btn {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 20px;
    border: 2px solid #f0f0f0;
    border-radius: 50%;
    z-index:2;
    /* customization */
    
}
.play-btn .triangle {
    display: block;
    transform: translateX(10px);
    width: 74px;
    height: 74px;
    border-style: solid;
    border-width: 37px 0px 37px 74px;
    border-color: transparent transparent transparent #f0f0f0; 
}

.play-btn:hover{
    border-color: #fff;
}
.play-btn:hover .triangle{
    border-color: transparent transparent transparent #fff;
}
.play-container{
  position: relative;
  width: 100%;
  text-align: center;
}
.play-container:before{
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    opacity: 0.2;
    z-index: 1;
}
.play-container img{
    vertical-align: top;
}
#headerPopup{
  max-width:800px;
  margin:0 auto;
  position: relative;
}

#headerPopup iframe{
  width:100%;
  margin:0 auto;
}
.text-limitation-block {
    font-size: 0.87em;
    float: right;
}