*,body{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.container{
    width: 100%;
    height: 100vh;
    background-color: #000;
    overflow: hidden;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
img.background{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.button{
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20%;
  overflow: hidden;       
  display: inline-block;
  z-index: 100;
}
.button img{
  display: block;        
  width: 100%;
  height: auto;        
  object-fit: contain;
}
.mascot{
    position: absolute;
    top: 39%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 15%;
    height: 100%;
    object-fit: contain;
}
@media (max-width: 768px) {
.button {
    width: 60%;
}
.mascot{
    width: 45%;
}
}