body {
  margin: 0;
  z-index: 0;
}

html {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  height: 100%
}


.bg_frame {
  position: fixed;
  width: 100vw;
  height: 100vh;
  background: url(../img/bg.jpg);
  background-size: cover;
  background-attachment: fixed;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 1;
}

.main_frame {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 10;
  text-align: center;
  line-height: 100vh;
}

.bande_frame {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: 2;
}

.gradient_svg {
  position: absolute;
  top: 0;
  width: 100vw;
  height: 100vh;
  background-image: radial-gradient(circle at center, rgba(0, 0, 0, 0) 0, rgba(0, 0, 0, 0.1) 50%,rgba(29, 30, 28, 0.5) 100%);
  z-index: 3;
  background-blend-mode: multiply;
}


.bandes_top {
  position: fixed;
  width: 100vw;
  height: 30vh;
  top: 0;

  background-image: url("../img/bandes_top.svg");
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: cover;
}

.bandes_bottom {
  position: fixed;
  width: 100vw;
  height: 30vh;
  bottom: 0;

  background-image: url("../img/bandes_bottom.svg");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
}

.main_logo {
  display: inline-block;
  width: 50vw;
  height: 50vh;
  background-image: url("../img/main_logo.svg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: contain;
  z-index: 10;
  vertical-align: middle;
}