#video{width:100%}.switch-qr-button{font-size:1.2em!important;float:right}#qr-form{display:none}.test-card{width:20em}.test-card{min-width:8em;max-width:20em!important;display:flex;flex-grow:1!important}.test-card-body{display:flex;flex-direction:column;justify-content:space-between}.test-card>.card{-webkit-hyphens:auto;hyphens:auto}.footer-spacer{height:4em}.student-test-select-headline{font-size:1.5em;margin-top:.5em!important}