button:focus{
  outline: none;
}

.btn-goto-video{
  padding: 10px 20px;
  background-color: #007bff;
  color: #ffffff;
  font-size: 17px;
  border: none;
}.btn-goto-video:hover{opacity: 0.8;}

a.btn-nav{
  text-align:center;
}
a.btn-nav:hover{
  text-decoration: none;
}
.btn-nav{
  min-width: 80px;
  padding: 4px 10px;
  background-color: rgba(255,255,255,0.4);
  color: #007bff;
  font-size: 14px;
  border: 1px solid #c4c4c4;
  border-radius: 15px;
  transition: 0.2s;
  white-space: nowrap;
}/*.btn-nav:hover{background-color:#007bff;border-color:#007bff;color:#ffffff;}
.btn-nav.active{background-color:#007bff;border-color:#007bff;color:#ffffff;}*/

.btn-loop{
  padding: 7px 16px;
  font-size: 17px;
  color: #ffffff;
  background: rgb(5,202,253);
  background: linear-gradient(3deg, rgba(5,202,253,1) 0%, rgba(145,253,160,1) 75%);
  border-radius: 20px;
  border: none;
}
.btn-loop:disabled{
  opacity: 0.5;
}
.btn-subscribe{
  padding: 5px 17px;
  font-size: 14px;
  font-weight: bold;
  color: #ffffff;
  background-color: #ff4d4d;
  /*background: rgb(5,202,253);*/
  /*background: linear-gradient(3deg, rgba(5,202,253,1) 0%, rgba(145,253,160,1) 75%);*/
  border-radius: 20px;
  border: none;
}
.btn-subscribe.all{
  background-color: #00A1E9;
}
.btn-subscribe.videos{
  background-color: #bd2d9f;
}
.btn-subscribe.articles{
  background-color: #6E9C80;
}


.btn-nav.home:hover, .btn-nav.home.active{
  background-color:#00A1E9;border-color:#00A1E9;color:#ffffff;
}
.btn-nav.videos:hover, .btn-nav.videos.active{
  background-color:#BD2D9F;border-color:#BD2D9F;color:#ffffff;
}
.btn-nav.articles:hover, .btn-nav.articles.active{
  background-color:#6E9C80;border-color:#6E9C80;color:#ffffff;
}
.btn-nav.courses:hover, .btn-nav.courses.active{
  background-color:#E9A41B;border-color:#E9A41B;color:#ffffff;
}