I want to increase the size of play button and the input

Question

Pls help me in it I can't do it right
https://code.sololearn.com/W0F2sfPpXM1s/?ref=app

Answer 1

.username input{
width: 200px;
}

.play_button button{
width: 200px;
}

Answer 2

It is moving the input and button to right or left depending on the pixels we keep, it doesn't increase the size

Answer 3

Doesn't work...