html,
body {
  height: 100%;
  margin: 0px;
}

body {
  max-height: 100%;
  background-image: url('1080.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  
  @media (max-width: 600px) {
    background-image: url('bg.png');
  }
}

main {
  height: 100%;
}

.mycontainer {
  display: flex;
  align-items: start;
  flex-direction: column;
  height: 100%;
  margin: 0 auto;
  width: 100%;
  @media (max-width: 600px) {
    align-items: center;
  }
}

.logo {
  width: 260px;
  margin-left: 127px;
  margin-top: 20vh;
}

.logo2 {
  display: none;
  width: 50vw;
  max-width: 260px;
  margin-left: 0px;
  margin-top: 3vh;
}

.centered-div {
  position: relative;
  width: 280px;
  height: 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  margin-top: 40vh;
}

.centered-div a {
  margin-bottom: 10px;
}

.btn-img {
  align-self: center;
  width: 280px;
  height: 40px;
}