html{
    width: 100%;
    height: 100%;
}
body {
  font-family: "Roboto Condensed", sans-serif;
  margin: 0;
  padding: 0;
  color: #ffffff;
  background-color: #000000;
}
#page{
    padding-bottom: 50px;
}
.hamburger {
  width: 60px;
  height: 55px;
  display: flex;
  align-items: center;
  cursor: pointer;
  z-index: -1;
  left: 315px;
  position: fixed;
  top: 300px;
}
.hamburger div:after {
  top: 18px;
}
.hamburger div:before, .hamburger div:after {
  position: absolute;
  content: '';
  width: 100%;
  height: 9px;
  background:white;
  left: 0;
}
.hamburger div:before {
  top: -19px;
}
.hamburger div {
  width: 100%;
  height: 9px;
  background:white;
  position: relative;
}
.hamburger.active div:after {
  top: 0;
  transform: rotate(-45deg);
}
.hamburger.active div:before {
  top: 0;
  transform: rotate(45deg);
}
.hamburger.active div {
  background-color: transparent;
}
header{
    height: 100vH;
    width: 80vW;
    position: fixed;
    top: 0;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0 10vW;
    z-index: -1;
}
header + a {
  display: inline-block;
  margin-left: 50px;
  margin-top: 25px;
}
header + a img{max-width: 100%;z-index: 1;position: fixed;}
nav{
    z-index: 1;
    position: absolute;
    top: 350px;
    left: 150px;
}
nav a{
    font-size: 30px;
    text-decoration: none;
    color: #ffffff;
}
nav a.active{font-weight:700;}
nav.close{display:none;}
.content{visibility: hidden;}
main {
  width: 50%;
  margin:75px auto 0;
  background-color: #000;
  padding: 25px 150px;
  position: relative;
  font-size: 30px;
  font-weight: 400;
}
main .hamburger{
  z-index: 9;
  right: 25px;
  left: auto;
  top: 25px;
  position: absolute;
}
section {
  display: flex;
  gap: 50px;
}
.concert_date h3 {
  margin: 0;
}
.concert_description{
    font-size: 20px;
}
footer {
  position: fixed;
  bottom: 50px;
  left: 85px;
  z-index: -1;
}
footer a{text-decoration:none;}
footer .caption{display:block;font-size:20px;margin-top:10px;}
iframe{
    width: 100%;
    height: 29vw;
    max-width: 100%;
    max-height: 700px;
    border: 0;
}
@media only screen and (max-width: 890px),screen and (max-height: 890px)  {
    header + a{margin-left: 25px;}
    header + a img{max-width: 60%;}
    .hamburger {
        left: auto;
        top: 25px;
        right: 25px;
        z-index: 1;
    }
    nav {
      left: auto;
      right: 25px;
      top: 100px;
      text-align: right;
      position: fixed;
    }
}
@keyframes headeranim {
  0%   {background-position: 0%;}
  100% {background-position: 100%;}
}
@-webkit-keyframes headeranim {
  0%   {background-position: 0%;}
  100% {background-position: 100%;}
}
@-moz-keyframes example headeranim {
  0%   {background-position: 0%;}
  100% {background-position: 100%;}
}
@-ms-keyframes headeranim {
  0%   {background-position: 0%;}
  100% {background-position: 100%;}
}
@media only screen and (max-width: 1350px)  {
    main {
        margin-top:45vH;
        padding: 50px;
        font-size: 25px;
        width: 55%;
    }
    h1{1.5em;}
    h2{1em;}
}
@media only screen and (max-width: 890px)  {
    header {
        background-position: 50%;
        animation-name: headeranim;
        animation-duration: 20s;
        animation-direction: alternate;
        animation-iteration-count: infinite;
        animation-timing-function: linear;
        -webkit-animation-name: headeranim;
        -webkit-animation-duration: 20s;
        -webkit-animation-direction: alternate;
        -webkit-animation-iteration-count: infinite;
        -webkit-animation-timing-function: linear;
        -moz-animation-name: headeranim;
        -moz-animation-duration: 20s;
        -moz-animation-direction: alternate;
        -moz-animation-iteration-count: infinite;
        -moz-animation-timing-function: linear;
        -ms-animation-name: headeranim;
        -ms-animation-duration: 20s;
        -ms-animation-direction: alternate;
        -ms-animation-iteration-count: infinite;
        -ms-animation-timing-function: linear;
        width: 100vW;
        margin:0;
    }
    main{
        width: 65%;
    }
    section {
      gap:10px;
      flex-direction: column;
    }
    .concert_date h3 {
      margin-top: 5px;
    }
    footer {
      left: 25px;
    }
}
@media only screen and (max-height: 590px)  {
    header + a img{max-width: 25%;}
    main {margin-top:100px;}
    .hamburger,
    nav{
        position:absolute;
    }
}