body{margin:0;padding:.5rem}body>div{width:fit-content;margin:auto;max-width:calc(100vw - .5rem * 2)}#options{display:flex;flex-direction:column;row-gap:.25rem}button,input,select{width:fit-content;max-width:100%;font-size:1rem}input[type=number]{width:calc(4rem + .125rem * 2)}label{display:flex;flex-direction:row;column-gap:.25rem}label#width-wrapper>button{padding:.0625rem .25rem;width:calc(1rem + .25rem * 3)}label>span:first-child{width:5rem;text-align:right}canvas{margin-top:.5rem;border:2px solid #555}