a,abbr,acronym,address,applet,article,aside,audio,b,big,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,embed,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,output,p,pre,q,ruby,s,samp,section,small,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,tt,u,ul,var,video{margin:0;padding:0;border:0;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section{display:block}html{line-height:1}body{line-height:inherit}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}table{border-collapse:collapse;border-spacing:0}input{-webkit-appearance: none;outline: 0;font-family: inherit;font-size: inherit;border: none;padding: 0;margin:0;}

/*
https://www.modularscale.com/?22&px&1.30901699437
*/

:root {
  --black: #000000;
  --white: #FFFFFF;
  --blue: rgb(10,132,255);
  --gray: rgb(142,142,147);
  --green: rgb(48,209,88);
  --indigo: rgb(94,92,230);
  --orage: rgb(255,159,10);
  --pink: rgb(255,55,95);
  --purple: rgb(192,90,242);
  --red: rgb(255,69,58);
  --teal: rgb(100,210,255);
  --yellow: rgb(255,230,32);
  --gray2: rgb(99,99,102);
  --gray3: rgb(72,72,74);
  --gray4: rgb(58,58,60);
  --gray5: rgb(44,44,46);
  --gray6: rgb(28,28,30);
}

html {
  background-color: var(--black);
  color: var(--white);
  font-family: -apple-system, ".SFNSText-Regular", Helvetica, Arial, sans-serif;
  padding: 1em; /* 16px */
  font-size: 1.375em; /* 22px / 16px = 1.375em*/
  line-height: 1.309em; /* 28.7984px / 22px = 1.309em*/
  font-weight: 500;
}

body {
  width: 100%;
}

#page {
  width: 100%;
  display: grid;
  grid-row-gap: 1.309em; /* 28.7984px / 22px = 1.309em*/
}

h1 {
  font-size: 1.714em; /* 37.698px / 22px = 1.714em */
  line-height: 1.309em; /* 49.347px / 37.698px = 1.309em */
  font-weight: 900; 
}

h2 {
  font-size: 1.309em; /* 28.798px / 22px = 1.309em */
  line-height: 1.309em; /* 28.798px / 22px = 1.309em */
  font-weight: 700;
}

article {
  width: 100%;
  display: grid;
  grid-row-gap: 1em;
}

form {
  width: 100%;
  display: grid;
  grid-row-gap: 1em; /* 22px */
}

input {
  background-color: var(--gray4);
  color: var(--white);
  text-align: center;
  font-size: 1.309em; /* 28.798px / 22px = 1.309em */
  line-height: 1.309em; /* 28.798px / 22px = 1.309em*/
  height: 1.309em; /* 28.798px / 22px = 1.309em*/
  border-radius: 0.3472em; /* 10px / 28.798px = 0.3472em */
  width: 100%;
  font-weight: 700;
}

input[type=number] + label {
  position: absolute;
  display: flex;
  align-items: center;
  color: var(--gray);
  height: 1.309em; /* 28.798px / 22px = 1.309em */
  padding-left: 0.7272em; /* 16px / 22px = 0.7272em */
  left: 0;
  bottom: 0.2025em; /* 4.4545px / 22px = 0.2025em */
  transition: 0.3s ease transform;
  transform-origin: top left;
  -moz-transition: 0.3s ease transform;
  -webkit-transition: 0.3s ease transform;
}

ol, ul {
  width: 100%;
  display: grid;
  grid-row-gap: 0.5em; /* 11px / 22px = 0.5em */
}

ol {
  grid-template-areas: "wage reg-hours"
                       "time-half-hours time-half-hours"
                       "double-hours double-hours"
                       "pre-tax-info pre-tax-info"
                       "adjusted-federal adjusted-federal";
  grid-template-columns: 1fr 1fr;
  grid-column-gap: 1em;
}

ol li {
  position: relative;
  width: 100%;
  max-width: 100%;
}

#wage-info {
  grid-area: wage;
}

#hours-info {
  grid-area: reg-hours;
}

#time-half-hours-info {
  grid-area: time-half-hours;
}

#double-hours-info {
  grid-area: double-hours;
}

#pre-tax-deduction-info {
  grid-area: pre-tax-info;
}

#adjusted-federal-info {
  grid-area: adjusted-federal;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
}

.label-placeholder {
  display: block;
  height: 1.309em; /* 28.798px / 22px = 1.309em*/
}

input[type=number]:focus ~ label, input[type=number]:valid ~ label {
  color: var(--white);
  transform-origin: bottom;
  transform: translateY(-130.9%) translateX(-0.7272em); /* 16px / 22px = 0.7272em */
}

input[type=checkbox] {
  height: 1.309em; /* 37.698px / 28.798px = 1.309em */
  width: 1.309em; /* 37.698px / 28.798px = 1.309em */
  transform: scale(0.80);
  transition: 0.3s ease transform;
  -moz-transition: 0.3s ease transform;
  -webkit-transition: 0.3s ease transform;
}

input[type=checkbox]:checked {
  transform: scale(1);
  background-color: var(--blue);
}

input[type=checkbox] + label {
  color: var(--gray);
}

#deduction-breakdown ul li {
  display: grid;
  grid-template-columns: 5fr 2fr;
}

#deduction-breakdown ul li output {
  text-align: right;
}

#paycheck,
#gross {
  color: var(--green);
}

#fed-withholing,
#il-withholding,
#medicare-withholing,
#fed-other-withholing {
  color: var(--orage);
}

#total-deductions {
  color: var(--red);
}