/* Global Styles */
* {
  padding: 0;
  margin: 0;
}

:root {
  --Main-Background: #ffff;
  --Main-Color: #222222;
}
.square-grid {
  background-size: 20px 20px;
  background-image:
    linear-gradient(to right, grey 1px, transparent 1px),
    linear-gradient(to bottom, grey 1px, transparent 1px);
}


body {
  margin: 0;
  padding: 0;
  width: 100%;
  color: var(--Main-Color);
  font-family: Arial, sans-serif;

}

/* Main Styles */
.header {
  display: block;
  font-family: sans-serif;
}

#title {
  display: block;
  text-align: center;
  font-size: 1.5em;
  font-family: Arial;
}
.nav-item .nav-link,
.nav-tabs .nav-link {
    -webkit-transition: all 300ms ease 0s;
    -moz-transition: all 300ms ease 0s;
    -o-transition: all 300ms ease 0s;
    -ms-transition: all 300ms ease 0s;
    transition: all 300ms ease 0s;
}

.card a {
    -webkit-transition: all 150ms ease 0s;
    -moz-transition: all 150ms ease 0s;
    -o-transition: all 150ms ease 0s;
    -ms-transition: all 150ms ease 0s;
    transition: all 150ms ease 0s;
}

[data-toggle="collapse"][data-parent="#accordion"] i {
    -webkit-transition: transform 150ms ease 0s;
    -moz-transition: transform 150ms ease 0s;
    -o-transition: transform 150ms ease 0s;
    -ms-transition: all 150ms ease 0s;
    transition: transform 150ms ease 0s;
}

[data-toggle="collapse"][data-parent="#accordion"][aria-expanded="true"] i {
    filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=2);
    -webkit-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}


.now-ui-icons {
    display: inline-block;
    font: normal normal normal 14px/1 'Nucleo Outline';
    font-size: inherit;
    speak: none;
    text-transform: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@-webkit-keyframes nc-icon-spin {
    0% {
        -webkit-transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
    }
}

@-moz-keyframes nc-icon-spin {
    0% {
        -moz-transform: rotate(0deg);
    }

    100% {
        -moz-transform: rotate(360deg);
    }
}

@keyframes nc-icon-spin {
    0% {
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(360deg);
        -moz-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        -o-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

.now-ui-icons.objects_umbrella-13:before {
    content: "\ea5f";
}

.now-ui-icons.shopping_cart-simple:before {
    content: "\ea1d";
}

.now-ui-icons.shopping_shop:before {
    content: "\ea50";
}

.now-ui-icons.ui-2_settings-90:before {
    content: "\ea4b";
}

.nav-tabs {
    border: 0;
    padding: 5px 0.7rem;
}

.nav-tabs:not(.nav-tabs-neutral)>.nav-item>.nav-link.active {
    box-shadow: 0px 5px 35px 0px rgba(0, 0, 0, 0.3);
}

.card .nav-tabs {
    border-top-right-radius: 0.1875rem;
    border-top-left-radius: 0.1875rem;
}

.nav-tabs>.nav-item>.nav-link {
    color: #888888;
    margin: 0;
    margin-right: 5px;
    background-color: transparent;
    border: 1px solid transparent;
    border-radius: 30px;
    font-size: 14px;
    padding: 11px 23px;
    line-height: 1.5;
}

.nav-tabs>.nav-item>.nav-link:hover {
    background-color: transparent;
}

.nav-tabs>.nav-item>.nav-link.active {
    background-color: #444;
    border-radius: 10px;
    color: #FFFFFF;
}

.nav-tabs>.nav-item>.nav-link i.now-ui-icons {
    font-size: 14px;
    position: relative;
    top: 1px;
    margin-right: 3px;
}

.nav-tabs.nav-tabs-neutral>.nav-item>.nav-link {
    color: #FFFFFF;
}

.nav-tabs.nav-tabs-neutral>.nav-item>.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    font-weight: 700;
}

.card {
    border: 0;
    border-radius: 0.1875rem;
    display: inline-block;
    position: relative;
    width: 100%;

}

.card .card-header {
    background-color: transparent;
    border-bottom: 0;
    background-color: transparent;
    border-radius: 0;
    padding: 0;
}
.nav-item{
       /* margin-left: 5%;
    margin-right: 1%; */
}
.card[data-background-color="orange"] {
    background-color: #f96332;
}

.card[data-background-color="red"] {
    background-color: #FF3636;
}

.card[data-background-color="yellow"] {
    background-color: #FFB236;
}

.card[data-background-color="blue"] {
    background-color: #2CA8FF;
}

.card[data-background-color="green"] {
    background-color: #15b60d;
}

[data-background-color="orange"] {
    background-color: #343434;
}

[data-background-color="black"] {
    background-color: #2c2c2c;
}

[data-background-color]:not([data-background-color="gray"]) {
    color: #FFFFFF;
}

[data-background-color]:not([data-background-color="gray"]) p {
    color: #FFFFFF;
}

[data-background-color]:not([data-background-color="gray"]) a:not(.btn):not(.dropdown-item) {
    color: #FFFFFF;
    font-weight: 700;
}

[data-background-color]:not([data-background-color="gray"]) .nav-tabs>.nav-item>.nav-link i.now-ui-icons {
    color: #FFFFFF;
}


@font-face {
  font-family: 'Nucleo Outline';
  src: url("https://github.com/creativetimofficial/now-ui-kit/blob/master/assets/fonts/nucleo-outline.eot");
  src: url("https://github.com/creativetimofficial/now-ui-kit/blob/master/assets/fonts/nucleo-outline.eot") format("embedded-opentype");
  src: url("https://raw.githack.com/creativetimofficial/now-ui-kit/master/assets/fonts/nucleo-outline.woff2");
  font-weight: normal;
  font-style: normal;
        
}

.now-ui-icons {
  display: inline-block;
  font: normal normal normal 14px/1 'Nucleo Outline';
  font-size: inherit;
  speak: none;
  text-transform: none;
  /* Better Font Rendering */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


footer{
    margin-top:50px;
    color: #555;
    background: #fff;
    padding: 25px;
    font-weight: 300;
    background: #f7f7f7;
    
}
.footer p{
    margin-bottom: 0;
}
footer p a{
    color: #555;
    font-weight: 400;
}

footer p a:hover{
    color: #e86c42;
}


@media screen and (max-width: 768px) {

    .nav-tabs {
        display: inline-block;
        width: 100%;
        padding-left: 100px;
        padding-right: 100px;
        text-align: center;
    }

    .nav-tabs .nav-item>.nav-link {
        margin-bottom: 5px;
    }
}
#sub {
  display: block;
  text-align: center;
  color: #eee;
  font-size: 0.6em;
  margin: 1vh 0;
  font-style: italic;
  margin-bottom: 5vh;
}

#subTitle {
  display: block;
  font-size: 1em;
  margin: 1vh 0;
}

#info {
  display: block;
  font-size: 0.8em;
}

#math {
  display: block;
  background-color: #333;
  height: 1em;
  padding: 1px 5px;
  border: 2px solid #444;
  margin: 0.8em 0;
  text-align: center;
  overflow: hidden; /* Edit for Codepen. */
  /* overflow-x: scroll; - Disabled for Codepen. */
}

#canvas {
  display: block;
  border: 3px solid #eee;

 
  /* margin-top: 30vh !important;
  margin-bottom: 30vh !important; */
}

.container table {
  padding: 3px;
  width: 100%;
  overflow: hidden;
}

.container table *,
.container table {
  border: 1px solid #252424;
  text-align: center;
  height: 35px;
}

.container td {

  font-size: 1.2em;
}

#pi {
  padding-left: 1%;
  text-align: left;
}

.controls {
  display: flex;
  width: 100%;
  height: 25px;
  margin: 20px 0;
  flex-wrap: nowrap;
  justify-content: space-around;
}

.controls button {
  display: inline-block;
  width: 100px;
  padding: 0.2em 0.8em;
  background-color: inherit;
  border: 1px solid var(--Main-Color);
  color: var(--Main-Color);
  font-size: 0.8em;
  outline: none;
}

.controls button:hover {
  display: inline-block;
  font-style: italic;
  text-decoration: underline;
}

.controls button:active {
  display: inline-block;
  background-color: var(--Main-Color);
  color: var(--Main-Background);
}

.footer {
  display: block;
  font-family: sans-serif;
}

#footer {
  display: block;
  text-align: center;
  font-size: 0.8em;
}
.btnsuccess {
  color: #fff;
  width: 100%;
  padding: 3%;
  border-color: #676767;
  background-image: linear-gradient(#676767, #676767), linear-gradient(90deg, #676767, #676767);
}
.btnash {
  color: #676767;
    border: 1px solid #676767;
}#tablehead{
  font-size: 12px;
  text-align: left;
  color: #777777;
  display: flex;

  padding: 3%;
}
.container table *, .container table {
  border: 1px solid #676767;
}
#sidetab{
  border: 2px solid #b1b1b1;
  border-radius: 5px;
  padding: 1%;
}
#spanfull{
  border: 1px solid #676767;
  display: flex;

}
.tablehead1{
  font-size: 12px;
  text-align: left;
  color: #777777;
}
.tile label{
  font-size: 12px;
  color: #777777;
  display: flex;
}
.tile1 {
  color: #616264;
    background: #e1dedb;
    border-radius: 10px;
    box-shadow: 0px 2px 3px -1px #7f746b;
    transform-style: preserve-3d;
    text-align: center;
    width:9%;
    border: 2px solid #706d69;
    position: absolute;
    top: 75%;
 
  
    z-index: 1;
}
label b{
  font-size: 12px;
}
label span{
  font-size: 12px;
}
#cal {
  background-color: #e1dedb;
  border-color: #e1dedb;
  border-radius: 20px;
  background-image: linear-gradient(#e1dedb, #e1dedb), linear-gradient(90deg, #fff, #fff);
}
#calclationimg {
  width: 15%;
}
.popup-container {
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s ease-in-out;
  transform: scale(1);
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(21, 17, 17, 0.61);
  display: flex;
  align-items: center;
}
.popup-content {
  color: #a94442;
  background-color: #f2dede;
  border-color: #ebccd1;
  margin: auto;
  padding: 5px;
  border: 2px solid #888;
  width: 20%;
}
.popup-content a.close {
  color: #aaaaaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
  background: none;
  padding: 0;
  margin: 0;
  text-decoration: none;
}
.close {
}
.popup-content p {
  font-size: 12px;
  padding: 5px;
  line-height: 20px;
  margin-top: 5%;
}
#radiusError{
  font-size: 10px;
    color: red;
    font-weight: 500;
}
#iterationError{
  font-size: 10px;
    color: red;
    font-weight: 500;
}


/* Target the placeholder of all input fields */
::-webkit-input-placeholder {
  font-size: 12px; /* Set the font size to 14 pixels */
}
:-moz-placeholder {
  font-size: 12px; /* Set the font size to 14 pixels */
}
::-moz-placeholder {
  font-size: 12px; /* Set the font size to 14 pixels */
}
:-ms-input-placeholder {
  font-size: 12px; /* Set the font size to 14 pixels */
}

      #copyright {
    
        text-align: center;
    }
    .borbox{
      height:61vh}
      .correct {
			color: green;
      font-size: 13px;
		}
		.wrong {
      font-size: 13px;
			color: red;
		}
    #answer{
      font-size: 13px;
    }