premium-calculator/assets/style.css

/*------------------------------------------------------------------------------
-- // RESETS
------------------------------------------------------------------------------*/

html { box-sizing: border-box; }

*,
*:before,
*:after {
  box-sizing: border-box;
}

html, body, div, span,
header, nav, main, article, section, aside, footer,
h1, h2, h3, h4, h5, h6,
p, strong, em, b, i, u, a, ul, ol, li,
blockquote, pre, code, img, audio, video,
table, caption, thead, tbody, tfoot, tr, th, td,
form, input {
  margin: 0;
  padding: 0;
  background: transparent;
  font-size: 100%;
  font-weight: normal;
  vertical-align: baseline;
}

header, nav, main, article, section, aside, footer,
blockquote, pre, img, audio, video,
table, form {
  display: block;
}

/* -----------------------------------------------------------------------------
-- // BASE
----------------------------------------------------------------------------- */

:root {
  --width: 900px;
  --font-family: Verdana, sans-serif;
  --font-scale: 1em;
  --bg-100: rgb(16, 15, 15);
  --bg-200: rgb(28, 27, 26);
  --ui-100: rgb(40, 39, 38);
  --ui-200: rgb(52, 51, 49);
  --ui-300: rgb(64, 62, 60);
  --text-100: rgb(206, 205, 195);
  --text-200: rgb(135, 133, 128);
  --text-300: rgb(87, 86, 83);
  --blue-400: rgb(67, 133, 190);
  --cyan-400: rgb(58, 169, 159);
  --green-400: rgb(135, 154, 57);
  --orange-400: rgb(218, 112, 44);
  --purple-400: rgb(139, 126, 200);
  --red-400: rgb(209, 77, 65);
  --yellow-400: rgb(208, 162, 21);
}
@media (prefers-color-scheme: dark) {
  :root {
  }
}

body {
  margin: 0 auto;
  padding: 0 16px;
  max-width: var(--width);
  background-color: var(--bg-100);
  font-family: var(--font-family);
  font-size: var(--font-scale);
  font-weight: normal;
  line-height: 1.5;
  color: var(--text-100);
}

/* -----------------------------------------------------------------------------
-- // BASIC ELEMENTS
----------------------------------------------------------------------------- */

.blue { color: var(--blue-400); }
.cyan { color: var(--cyan-400); }
.green { color: var(--green-400); }
.orange { color: var(--orange-400); }
.purple { color: var(--purple-400); }
.red { color: var(--red-400); }

h1 {
  font-size: 2em;
  font-weight: bold;
  line-height: 1;
}
h2 {
  margin-bottom: 1em;
  font-size: 1.5em;
  font-weight: bold;
  line-height: 1;
}

p {
  margin-bottom: 1em;
  text-align: left;
}
p:last-child { margin-bottom: 0; }

a,
a:visited {
  color: var(--text-100);
  text-decoration: underline; 
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-style: solid;
  text-decoration-color: var(--cyan-400);
  -webkit-transition: all .25s ease-in-out;
     -moz-transition: all .25s ease-in-out;
      -ms-transition: all .25s ease-in-out;
       -o-transition: all .25s ease-in-out;
          transition: all .25s ease-in-out;
}
a:hover {
  color: var(--cyan-400);
  text-decoration: underline; 
  text-decoration-style: solid;
  text-decoration-color: var(--cyan-400);
}

ul {
  margin-left: 1em;
  padding-left: 1em;
}
li {
  list-style-type: square;
}

blockquote {
  margin: 1em 0;
  padding: 12px 16px;
  border: 1px dashed var(--yellow-400);
  background-color: var(--bg-200);
  font-style: italic;
}

/* -----------------------------------------------------------------------------
-- // FORM
----------------------------------------------------------------------------- */

input,
label {
  cursor: pointer;
}

input {
  border: 1px solid var(--ui-100);
  background-color: var(--bg-200);
  color: var(--purple-400);
  -webkit-transition: all .25s ease-in-out;
     -moz-transition: all .25s ease-in-out;
      -ms-transition: all .25s ease-in-out;
       -o-transition: all .25s ease-in-out;
          transition: all .25s ease-in-out;
}
input:hover {
  border-color: var(--ui-300);
}
input:focus {
  outline: none;
  border-color: var(--cyan-400);
}

/* Remove up and down arrows */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] {
    -moz-appearance: textfield;
}

.calcMethod span {
  margin-right: 16px;
}
input[type="radio"] {
  height: 1em;
  width: 1em;
  margin: 0 4px 0 8px;
}
#calcProRata,
#calcShortRate {
  accent-color: var(--yellow-400);
}

button {
  margin-top: 1em;
  padding: 8px 16px;
  border: 1px solid var(--ui-100);
  background-color: var(--bg-200);
  color: var(--text-100); 
}
button:hover{
  border: 1px solid var(--ui-300);
  cursor: pointer;
}

/* -----------------------------------------------------------------------------
-- // TABLE
----------------------------------------------------------------------------- */

table {
  margin: 1em 0;
  width: 100%; 
  border-collapse: collapse;
  border: 1px solid var(--ui-100);
  background-color: var(--bg-200);
}
tr {
  border: 1px solid var(--ui-100);
}
th {
  padding: 2px 16px;
  border-right: 1px solid var(--ui-100);
  background-color: var(--ui-200);
  font-weight: bold;
  vertical-align: middle;
}
td {
  padding: 2px 16px;
  border-right: 1px solid var(--ui-100);
  vertical-align: middle;
}

/* -----------------------------------------------------------------------------
-- // LAYOUT
----------------------------------------------------------------------------- */

header {
  margin-top: 4rem;
}

main {
  margin: 4rem 0;
}

.flex-container {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: row;
  gap: 64px 32px;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
}
.flex-1 {
  order: 1;
  flex-grow: 1;
}
.flex-2{
  order: 2;
  flex-grow: 1
}
.flex-3 {
  order: 3;
  flex-grow: 2;
}
.flex-4 {
  order: 4;
  flex-grow: 2;
}

footer {
  margin-bottom: 4rem;
  padding-top: 12px;
  border-top: 1px dashed var(--ui-100);
  font-size: .875em;
  color: var(--text-200);
}