html, body 
       {
        margin: 0;
       }

       body
       {
        font-family: 'Roboto', Arial, sans-serif;
        transition: all 0.7s ease-out;
       }

       #app div 
       {
        display: flex;
        flex-direction: column;
        align-items: center;
       }

       h1
       {
        text-transform: uppercase;
       }
       
       input 
       {
        padding: 5px;
        font-size: 16px;
       }

       input:not(:first-of-type) 
       {
        margin-left: 20px;
       }

       video
       {
        margin: 30px;
        width: 500px;
        max-width: 85%;
       }