style.css

:root{
  --accent-color: rgb(221, 163, 255);
  --p-color: rgb(230, 230, 230);
  --s-color: rgb(40,40,40);
  --button2-color: rgb(108, 37, 105);
  --button3-color: rgb(126, 17, 221);
}

.calcBody {
  display: flex;
  flex-direction: column;
  font-family: Exo, sans-serif;
  position: fixed;
  top: 10px;
  right: 50px;
  height: 960px;
  min-height: 920px;
  max-height: 100%;
  background: rgb(14,14,14);
  padding: 5px;
  color: var(--accent-color);
  padding-bottom: 10px;
  border-radius: 40px 40px 15px 15px;
  box-shadow: inset 0px -2px 3px 3px rgba(80, 50, 40, 0.2),
    0px 2px 2px rgba(0, 0, 0, 0.8),
    inset 0px -1px 1px rgba(255, 255, 255, 0.5),
    inset 0px -2px 2px rgba(70, 50, 40, 0.8),
    inset 0px -3px 2px rgba(90, 50, 40, 0.3),
    4px 4px 32px rgba(0, 0, 0, 0.5);
}

/* Numerical input and graphical display *************************************************/
.numInput {
  position: relative;
  display: block;
  width: calc(100% - 2px);
  height: 48px;
  line-height: 43px;
  margin: auto;
  font-size: 22pt;
  overflow: hidden;
  text-align: right;
  padding-right: 9px;
  box-sizing: border-box;
  background: rgba(206, 206, 182, 0.7);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  margin-bottom: 5px;
  box-shadow: inset 0px -3px 10px rgba(0, 0, 0, 0.05),
    inset 1px 3px 9px rgba(0, 0, 0, 0.3),
    inset 1px 1px 1px rgba(0, 0, 0, 0.2),
    inset -1px -1px 1px rgba(0, 0, 0, 0.1),
    inset 0px 2px 1px 2px rgba(0, 0, 0, 0.1);
}

/* Calculator Buttons (group, buttons, colors, subscript labels) *************************/
.group {
  display: flex;
  width: 100%;
}

.numButton {
  position: relative;
  outline: none;
  width: 70px;
  flex-grow: 1;
  height: 54px;
  display: block-inline;
  text-align: center;
  line-height: 54px;
  display: inline-block;
  font-size: 20pt;
  color: var(--p-color);
  margin: 2px;
  background: var(--s-color);
  box-shadow: inset 0px -1px 2px 2px rgba(80, 50, 40, 0.2),
    inset 0px 1px 0px rgba(0, 0, 0, 0.2),
    inset 0px -1px 1px rgba(70, 50, 40, 0.8),
    inset 0px -2px 1px rgba(90, 50, 40, 0.3);
  cursor: pointer;
}

.noselect {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.numButton:focus {
  outline: none;
}

.numButton:active:not(.disabled),
.numButton.active:not(.disabled) {
  top: 2px;
}

.green {
  line-height: 54px;
  background-color: rgb(0, 111, 122);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blue {
  line-height: 54px;
  background-color: var(--button2-color);
  color: var(--p-color);
}

.purple {
  line-height: 54px;
  background-color: var(--button3-color);
  color: var(--p-color);
}

.red {
  line-height: 54px;
  background-color: rgb(144, 234, 0);
  color: black;
}

.mini {
  position: absolute;
  bottom: .1px;
  right: 5px;
  font-size: 45%;
  line-height: 20px;
  color: rgba(0, 0, 0, 0.5);
}

.disabled {
  color: rgb(132, 132, 132);
  pointer-events: none;
  box-shadow: none;
  border: 1px solid rgba(64, 64, 64, 0.3);
  box-sizing: border-box;
}


/* Calculator History and help displays **************************************************/
.historypos {
  position: absolute;
  top: 0px;
  left: 2px;
  right: 2px;
  bottom: 5px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.history {
  position: relative;
  background-color: transparent;
  min-height: 0px;
  /* color: #222; */
  padding: 10px;
  flex-grow: 0;
  min-width: 0px;
  top: 10px;
  left: 0px;
  text-align: right;
}

.e {
  position: relative;
  top: -3px;
  font-size: 45%;
}

.help {
  position: absolute;
  top: 0px;
  left: 10px;
  color: var(--accent-color);
}

.history>.help {
  left: 0px;
}

.help .green {
  background-color: rgba(240, 255, 220, 1);
}

.help .red {
  background-color: rgb(165, 211, 0);
}

.help .blue {
  background-color: var(--button2-color);
}

.help .purple {
  background-color: var(--button3-color)
}

.help i {
  position: relative;
  user-select: none;
  outline: none;
  width: 25px;
  height: 25px;
  display: block-inline;
  text-align: center;
  line-height: 25px;
  display: inline-block;
  font-size: 13pt;
  opacity: 0.8;
  color: rgba(0, 0, 0, 0.65);
  margin: 2px;
  font-family: Exo;
  font-style: normal;
  font-weight: bold;
  background: rgba(240, 230, 220, 1);
  border-radius: 5px;
  border: 1px solid;
}

/* Current mode display top left of calculator *******************************************/
.title {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 1.7rem;
  font-family: serif;
}

/* Class to render C R M outline letters for sets ****************************************/


 

.green .outline,
.help .outline {
  -webkit-text-stroke: 1px #222;
  -moz-text-stroke: 1px #222;
  -ms-text-stroke: 1px #222;
}
.outline {
  font-family: serif;
  -webkit-text-stroke: 1px #fff;
  -moz-text-stroke: 1px #fff;
  -ms-text-stroke: 1px #fff;
  color: rgb(36, 229, 255);
  font-style: normal;
}
/* On small displays (mobile) only display the calculator. *******************************/
@media (max-width:800px) {
  .help {
    display: none;
  }

  .calcBody .help {
    display: block;
  }

  .calcBody {
    top: 0px;
    position: Relative;
    right: 0px;
    box-shadow: 0px 0px 0px black;
    border-radius: 0px;
    margin: auto;
    height: 100%;
    max-height: 100%;
    width: calc(100% - 10px);
  }

  html {
    height: 100%;
    overflow: hidden;
  }

  body {
    background-color: rgb(230, 220, 200);
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    margin: 0px;
    margin-bottom: 10px;
    overflow: hidden;
    height: 100%;
    width: 100%;
    max-height: 100%;
    min-height: 100%;
  }
}

@media (max-height:180px) {
  .numButton {
    height: 44px;
    line-height: 40px;
  }
}

.solution {
  width: fit-content;
  height: 2rem;
  border-radius: 10px;
  background: #555;
}

 
.numInput{
  background:rgba(0, 0, 0, 0.05)
}
.item{
  color:black;
  font-family:Arial, Helvetica, sans-serif;
  font-size: 1.2rem;
}
 
.mini{
  color:rgb(36, 229, 255);
  margin-top: 2px;
}