body{text-align:center;font-family:sans-serif}.scrollabletextbox{width:800px;height:600px;font-family:Verdana,Tahoma,Arial,Helvetica,sans-serif;font-size:120%;overflow:scroll}.command{text-align:center;font-size:120%}.command_input{width:700px;font-size:140%}.button{color:#fff;background-color:#00f;border-radius:5px;padding:5px;font-size:100%;text-decoration:none;transition:all 1s}.button:hover{background-color:green}button{color:#fff;background-color:#00f;border-radius:5px;margin-right:30px;padding:5px;font-size:100%;text-decoration:none;transition:all 1s}button:hover{background-color:green}.buttons{text-align:center;margin_left:500px}