body {
  background-color: rgb(255, 255, 255);
  font-size: 1em;
}

.button {
  display: block;
  position: fixed;
  top: 0;
  bottom: 0;
  width: 306px;
  height: 180px;
  margin: auto 0;
  border-bottom: 2px solid rgb(179, 179, 179);
  border-radius: 11px;
  background-size: contain;
  background-position: center center;
  background-color: rgb(255, 255, 255);
  box-shadow: 0 2px 5px rgba(0, 0, 0, .5), 0 3px 0 rgba(255, 255, 255, 0.75) inset;
  font: 400 1em/1.38 Helvetica;
  text-align: center;
  color: rgb(0, 0, 0);
}

.left_bg {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 3;
  width: 50%;
  height: 1300px;
  background: url('../images/eipa_medium_bg3.png') rgb(255, 255, 255);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: left top;
}

.left_mask {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 4;
  width: 50%;
  height: 1500px;
  background-color: rgb(255, 255, 255);
}

.right_bg {
  position: fixed;
  top: 0;
  right: 0;
  width: 50%;
  height: 2616px;
  background: url('../images/eipa_medium_bg2.jpg') rgb(255, 255, 255);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: left top;
}

.right_mask {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1;
  width: 50%;
  height: 1500px;
  background-color: rgb(255, 255, 255);
}

.button-1 {
  left: 16.8333333333%;
  z-index: 5;
  background-image: url('../images/LogoEIPA.svg');
}

.button-2 {
  right: 16.8333333333%;
  z-index: 2;
  background-image: url('../images/LogoInnerEIPA.svg');
  background-repeat: no-repeat;
}

@media(max-width: 1010px) {
  .button {
    top: 0;
    bottom: 0;
    width: 206px;
    height: 120px;
    margin-top: auto;
    margin-bottom: auto;
  }

  .button-1 {
    left: 16.833230198%;
    background-repeat: no-repeat;
  }

  .button-2 {
    right: 16.8316831683%;
  }
}

@media(max-width: 670px) {
  body {
    font-size: 1em;
  }

  .button {
    top: 0;
    bottom: 0;
    width: 30.7462686567%;
    margin-top: auto;
    margin-bottom: auto;
  }

  .button-1 {
    left: 16.833022388%;
  }

  .button-2 {
    right: 16.8306902985%;
  }
}