html {
  font-size: 100%;
}

body{
  margin: 0;
  padding: 0;
  display: block;
  font-size: 1rem;
  line-height: 1.4;
  color: #fff;
  font-family:'Source Sans Pro',sans-serif;
  background: url(../images/background.jpg) no-repeat fixed center / cover #000;
}

main {
  padding:0;
  max-width: 600px;
  margin: 25px auto;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);

}

header{
  display: flex;
  height: 60px;
  background: url(../images/line.jpg) no-repeat bottom;

}

#logo {
  width: 260px;
  height: 78px;
  margin: 20px auto;
  background-size: contain;
  background: url("../images/logo.png") no-repeat center;
}

section
{
  display: flex;
}

.login-card {
  width: 90%;
  margin: 40px;
  border-radius: 8px;
  overflow: hidden;
}

.nav-tabs {
  border-bottom: none;
}

.nav-tabs .nav-link {
  font-weight: 400;
  color: #495057;
  border: 1px solid #151515;
}

.nav-tabs .nav-link.active {
  color: #fff;
  background: #151515;
  border: 1px solid #151515;
  border-bottom-color: transparent;
  border-radius: 8px 8px 0 0;
}

.nav-item .nav-link:hover {
  border: 1px solid #2b2a2a;
}

.nav-tabs .nav-link.active:hover {
  border: 1px solid #151515;
}

.tab-content {
  padding: 30px;
  background: #151515;
  border-radius: 0 0 8px 8px;
}

footer{
  padding: 20px;
  font-size: 0.85rem;
  text-align: center;
  background:url(../images/line.jpg) no-repeat top #1F1E1E;
}

footer p{
  color:#CCC;
  margin: 10px auto 5px;
}
      
footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

footer li {
  display: inline-block;
  margin: 0 10px;
}

footer a {
  color: #C4964E;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

@media (min-width:768px){
  
  main{
    background: rgba(0,0,0,.75)
  }

  section{
    background:url(../images/player.png) no-repeat left 385px top 50px;
  }

  .login-card{
    width: 55%;
  }

}