:root{--main-spacing:1rem;--main-fontstack:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif;--main-fontstack-mono:SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--color-main:#1b2740;--color-bg:#6797ff;--color-second:#747474;--main-radius:calc(var(--main-spacing)/4)}.ui-border{border-radius:var(--main-radius);border-style:solid;border-width:1px}.ui-jumbo{font-size:3em}.ui-jumbo,.ui-super-jumbo{text-align:center;font-weight:700}.ui-super-jumbo{font-size:12em}.ui-center{text-align:center}body{font-family:var(--main-fontstack);color:var(--color-main)}form,p{margin-bottom:var(--main-spacing)}small{color:var(--color-second)}.container{padding:var(--main-spacing)}button,input{border-color:var(--color-bg);font-weight:700;margin:calc(var(--main-spacing)/2) 0}button{padding:var(--main-spacing);width:100%;display:block;background-color:var(--color-bg)}input{min-width:6ch;padding:calc(var(--main-spacing)/2)}label.right{margin-left:1ch}.timer{padding:var(--main-spacing);position:absolute;top:0;left:0;bottom:0;right:0;background:var(--color-main);color:#fff}