.contatiner{
  display: grid;
  grid-template-rows: 1.5fr 1fr 0.5fr 0.5fr;
  grid-gap: 5px;
  grid-template-areas:
          "keyboard_area"
          "output_area"
          "footer_area"
          "help_area";
  padding: 10px;
  width: 500px;
  height: 250px;
  margin: auto;
  background-color: rgba(248,249,250, 1);
}

.br {
    margin-bottom: 0px;
}

#parent{
  white-space: nowrap;
  margin-left: 10px;
  /* overflow-x: auto; */
}

.child{
  display: inline-block;
}

.mathKeyboard{
  border: 10px solid white;
}

.material-symbols-outlined{
  color: #3C7871;
  font-variation-settings:
    'FILL' 0,
    'wght' 400,
    'GRAD' 0,
    'opsz' 60
}

h4{
  font-family:var(--bs-font-sans-serif);
  font-size:1.25rem;

}
.output_area{
  /* background-color: rgba(248,249,250, 1); */
  margin-top: 10px;
  min-width: 500px;
  min-height: 40px;
  margin-bottom: 0px;
}

.dialog{
  font-family:var(--bs-font-sans-serif);
  text-align: center;
  border: none;
  background-color: rgba(255,255,255,0.95);
  border-radius: 10px;
  box-shadow: 0 0 15px rgb(150,150,150);
  font-size: 20px;
}

#dont_show{
  margin-top: 5px;
  margin-bottom: none;
  font-size: 15px;
}

#youtube_video{
  border-radius: 5px;
}

.input{
  /* background-color: rgba(248,249,250, 1); */
  margin-top: 10px;
  padding-left: 70px;
  margin-bottom: 10px;
}

.hr{
  border: 2px solid rgb(228,229,230);
}

.footer_area{
  background-color: rgba(248,249,250, 1);
  width: 500px;
  height: 80px;
  margin:auto;
}

.help_area{
  background-color: rgba(248,249,250, 1);
  width: 500px;
  margin:auto;
  grid_area: help_area;
  display: grid;
  grid-template-columns: 4fr 1fr;
  grid-gap: 10px;
  grid-template-areas:
          "left_help ight_help";
  font-size: 14px;
  margin: auto;
}

.help_area_left {
    grid_area: left_help;
    margin: left;
}

.help_area_right {
    grid_area: right_help;
    margin-left: 70px;
}

.button{
  width: 100px;
  height: 40px;
  margin-top: 20px;
  margin-bottom: 10px;
  outline: none;
  border-radius: 4px;
  border: none;
  background: linear-gradient(#589983, #3C7871);
  cursor: pointer;
  color: white;
  font-family:var(--bs-font-sans-serif);
  font-size: 15px;
  cursor: pointer;
  -webkit-user-select: none;

}

#clear{
  margin-left: 145px;
  margin-right: 10px;
}

button.current {
  box-shadow: 0 0 0 2px white,
              0 0 0 4px black;
}

#frame {
  max-width: 40em;
  margin: auto;
}


#output {
  font-size: 170%;
  padding: 1.4px;
  text-align: center;
}

#output > pre {
  margin-left: 5px;
}

p {
   font-family:var(--bs-font-sans-serif);
   font-weight: normal;
   font-style: normal;
}

.left {
  float: left;
}
.right {
  float: right;
}

/* this is the keyboard CSS */
.keyboard {
    grid_area: keyboard_area;
    display: grid;
    grid-template-columns: 1.5fr 2fr 1fr;
    grid-gap: 10px;
    grid-template-areas:
          "left_pad_area mid_pad_area right_pad_area";
    text-align: center;
    font-family: 'Arima Madurai', cursive;
    margin: auto;
    color: #022e16;
}

h2{
  font-family: 'ZCOOL QingKe HuangYou', cursive;
  color: #6c8096;
  font-weight: 800;
  font-size: 24px;
}

.keyboard_leftbox {
    grid_area: left_pad_area;
    margin: auto;
}

.keyboard_middlebox{
    grid_area: mid_pad_area;
    margin: auto;
}

.keyboard_right{
    grid_area: right_pad_area;
    margin: auto;
}

.keyboard__row {
    height: 2em;
    margin: 0.2em;
}

.keyboard__row > * {

    position: relative;
    text-align: center;
    float: left;
    border-radius: 3.9px;
    margin: 2.8px;
    padding: 2.8px;
    width: 42px;
    height: 35px;
    box-sizing: border-box;
    cursor: pointer;
    -webkit-user-select: none;
    display:block;
    margin: 2.8px;
    /* background: rgba(101, 137, 111, 0.6); */
    background: linear-gradient(#589983, #3C7871);
  }
#go-to-options:hover{
  cursor: pointer;
}
.key--letter:hover {
    background: rgba(255,255,255,.6);
    cursor:pointer;
    color: #3C7871;
    border: 1px solid rgba(60,120,113,0.2);
}

.button:hover{
  /* background: rgba(255,255,255,.6);
  cursor:pointer;
  color: #9daab9; */
  background: rgba(255,255,255,.6);
  cursor:pointer;
  color: #3C7871;
  border: 1px solid rgba(60,120,113,0.2);
}
.key--letter:active {
    background: rgba(255,255,255,.8);
}
.button:active{
    background: rgba(255,255,255,.8);
}

.feedbackLink{
  font-size: 15px;
  color:rgb(101, 137, 111);
  margin-left:10px;
}
.email_link{
  color: rgba(101, 137, 111);
}
.email_link:hover{
  background-color: rgba(101, 137, 111, 0.6);
  color: white;
}

#history_dialog{
  width: 500px;
}

.moveLeft{
  margin-left: 25px;
}
/* #cancel_symbol{
  padding-bottom: 30px;
} */
#cancel_symbol:hover{
  cursor: pointer;
}

#latexHistoryHTML{
  text-align: right;
}

.historyText{
  padding-top: 9px;
  padding-bottom: 9px;
}

#editHistory{
  width: 60px;
  height: 30px;
  font-size: 15px;
  float: left;
}

.link{
  color: rgba(60,120,113);
  font-size: 15px;
  margin-left: 10px;
  margin-bottom: 10px;
}

.link:hover{
  background-color: rgba(60,120,113, 0.9);
  color: white;
}

#mid1{
  margin-left: 50px;
}

#mid2{
  margin-left: 28px;
}

.key--letter {
    line-height: 27px;
    width: 42px;
    height: 35px;
    color: white;
    font-size: 14px;
}
.key--letter--large {
    line-height: 27px;
    width: 42px;
    height: 35px;
    color: white;
    font-size: 17px;
}
.key--letter--large:hover {
    background: rgba(255,255,255,.6);
    cursor:pointer;
    color: #3C7871;
    border: 1px solid rgba(60,120,113,0.2);
}
.key--letter--large:active {
    background: rgba(255,255,255,.8);
}
.key--letter--small {
    line-height: 27px;
    width: 42px;
    height: 35px;
    color: white;
    font-size: 12px;
}
.key--letter--small:hover {
    background: rgba(255,255,255,.6);
    cursor:pointer;
    color: #3C7871;
    border: 1px solid rgba(60,120,113,0.2);
}
.key--letter--small:active {
    background: rgba(255,255,255,.8);
}
.key--letter--very--large {
    line-height: 27px;
    width: 42px;
    height: 35px;
    color: white;
    font-size: 21px;
}
.key--letter--very--large:hover {
    background: rgba(255,255,255,.6);
    cursor:pointer;
    color: #3C7871;
    border: 1px solid rgba(60,120,113,0.2);
}
.key--letter--very--large:active {
    background: rgba(255,255,255,.8);
}

.keyboard__row > div[data-pressed],
.keyboard__row > div:active {
    background: #rgba(255,255,255,.8);
    color: #FFFFFF;
    position: relative;
    top: 0.2em;
    box-shadow: 0 0 0 0.05em white;
}


.keyboard > .keyboard__row {
    text-align: center;
}

/* this is different size of buttons to make it more wide */
.key--w3 {
    width: 4.6em;
}

.key--w4 {
    width: 6em;
}

.key--w5 {
    width: 6.5em;
}

.key--w6 {
    width: 8.3em;
}

.key--arrow {
    line-height: 2.7em;
}

.hovertext {
  position: relative;
}

.hovertext:before {
  content: attr(data-hover);
  visibility: hidden;
  /* opacity: 0; */
  /* width: 80px; */
  /* background-color: rgba(101, 137, 111, 0.6); */
  color: rgba(60,120,113);
  text-align: center;
  /* border-radius: 5px; */
  padding: 5px 0;
  /* transition: opacity 1s ease-in-out; */
  position: absolute;
  z-index: 1;
  right: 5px;
  bottom: 19px;
  text-decoration: underline;
}

.hovertext:hover:before {
  opacity: 1;
  visibility: visible;
}

#matrix_dialog{
  font-size: 12px;
}