.change .forms-container .form-control.signup-form{opacity:1;z-index:2;transform:translate(-100%)}.change .forms-container .form-control.signin-form{opacity:0;z-index:1;transform:translate(-100%)}.change .intros-container .intro-control{transform:translate(-100%)}.change .intros-container .intro-control.signin-intro{opacity:0;z-index:1}.change .intros-container .intro-control.signup-intro{opacity:1;z-index:2}@media screen and (max-width: 640px){.container{height:100%;display:flex;flex-direction:column}.container .forms-container{order:2;width:100%;height:50vh}.container .forms-container .form-control{position:absolute;height:50vh}.container .forms-container .form-control.signup-form{left:0%;height:auto;margin-top:20px;padding-bottom:20px}.container .intros-container{order:1;width:100%;left:0%;height:40vh}.container .intros-container .intro-control{position:absolute;height:40vh}.change .forms-container .form-control.signup-form,.change .forms-container .form-control.signin-form,.change .intros-container .intro-control{transform:translate(0)}}