Shreyas Sreenivasa Shreyas Sreenivasa - 1 month ago 9
Javascript Question

My divs are not appearing

My #abhimanyu, #arjun, #bheem and #eklavya divs are are not appearing. Right now the unit is percentage but if I put pixels it works but it wont be responsive. Any idea why its not appearing? Thank you in advance!

Update: One more problem, on the phone when i type in the text box everything goes out of their place.

Here's my code:



function displaySignInError() {
var schoolName = document.getElementById('schoolNameBox').value.toLowerCase();
switch (schoolName) {
case 'new horizon gurukul':
window.location = "NHGLogin.php";
break;
default:
var schoolErrorMessage = document.getElementById('schoolErrorMessage');
schoolErrorMessage.innerHTML = "Please Enter a valid school name, still if invalid schoold does not exist.";
schoolErrorMessage.style.color = 'red';

}
}

@import url('https://fonts.googleapis.com/css?family=Catamaran:100,200,300,400,500,600,700,800,900|Droid+Sans:400,700|Josefin+Sans:100,100i,300,300i,400,400i,600,600i,700,700i|Open+Sans:300,300i,400,400i,600,600i,700,700i,800,800i|Oxygen:300,400,700|Roboto:100,100i,300,300i,400,400i,500,500i,700,700i,900,900i|Ubuntu:300,300i,400,400i,500,500i,700,700i');

#abhimanyu {
z-index: -1;
background-color: green;
width: 50%;
float: left;
height: 47%;
}

#arjun {
z-index: -1;
background-color: orange;
width: 50%;
float: right;
height: 47%;
}

#bheem {
z-index: -1;
background-color: red;
width: 50%;
float: left;
height: 47%;
}

#eklavya {
z-index: -1;
background-color: purple;
width: 50%;
height: 47%;
}

#container {
width: 30em;
background-color: #eee;
height: 30em;
border-radius: 50%;
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
transform: -webkit-translate(-50%, -50%);
transform: -ms-translate(-50%, -50%);
}

#wrapper {
width: 30rem;
height: 30rem;
border-radius: 50%;
}


#schoolSubmitButton {
margin-top: 35px;
text-align: center;
background-color: white;
border: 2px solid #fef;
height: 2em;
width: 10em;
}

#schoolName {
margin-bottom: 40px;
position: fixed;
top: 60%;
left: 50%;
transform: translate(-50%, -50%);
transform: -webkit-translate(-50%, -50%);
transform: -ms-translate(-50%, -50%);
text-align: center;
}

#schoolNameBox {
height: 2em;
border: none;
width: 26em;
margin-left: 0;
padding-left: 10px;
}

#schoolSubmitButton p {
position: relative;
top: 50%;
position: relative;
top: 30%;
left: 50%;
transform: translate(-50%, -70%);
transform: -webkit-translate(-50%, -70%);
transform: -ms-translate(-50%, -70%);
}

/*
::-webkit-input-placeholder {
padding-left: 10px;
}

:-moz-placeholder {
padding-left: 10px;
}

:-ms-input-placeholder {
padding-left: 10px;
}
*/

#schoolErrorMessage {
text-decoration: none;
position: relative;
top: 6em;
color: black;
width: 140%;
float: left;
font-size: 15px;
position: relative;
right: 20%;
}

#schoolNameDiv {
position: fixed;
top: 60%;
left: 50%;
transform: translate(-50%, -50%);
transform: -webkit-translate(-50%, -50%);
transform: -ms-translate(-50%, -50%);
text-align: center;
}

#main-heading {
text-align: center;
text-decoration: none;
font-size: 24px;
z-index: 1;
}

#schoolAvatar {
height: 9em;
width: 9em;
border-radius: 50%;
position: fixed;
top: 25%;
left: 50%;
transform: translate(-50%, -50%);
transform: -webkit-translate(-50%, -50%);
transform: -ms-translate(-50%, -50%);
}

.footerHR {
border-top: 1px solid grey;
position: absolute;
bottom: 20px;
margin-bottom: 20px;
}

@media screen and (max-width: 530px) {
#container {
width: 96%;
height: 80%;
border-radius: 5px;
margin-top: 15px;
}

#schoolNameBox {
width: 20em;
}

#main-heading {
font-size: 22px;
}

#main-heading h2 {
margin-top: 15px;
}
}

<!DOCTYPE html>
<html>
<head>
<title>NHG</title>
<meta charset="UTF-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<link type="text/css" rel="stylesheet" href="css/normalize.css"/>
<link type="text/css" rel="stylesheet" href="css/style.css"/>
<link type="text/css" rel="stylesheet" href="css/resposive.css"/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
</head>
<body>
<div id="abhimanyu"></div>
<div id="arjun"></div>
<br>
<div id="bheem"></div>
<div id="eklavya"></div>
<header>
<div id="main-head">
<!-- REMEMBER TO STYLE THE HEADING AND SIGN UP LINK -->
<a href="#" id="main-heading"><h2>sKoolBook</h2></a>
</div>
</header>
<section>
<div id="container">
<div id="wrapper">
<img src="https://i.imgsafe.org/a40bbe047e.png" alt="avatar" id="schoolAvatar" align="middle">
<div id="schoolNameDiv">
<div id="schoolName">
<input type="text" name="schoolName" id="schoolNameBox" placeholder="Enter your School Name...">
<br>
<button type="submit" id="schoolSubmitButton" onclick="displaySignInError();">
<p>Next</p>
</button>
<br>
</div>
<br>
<p id="schoolErrorMessage">School Doesn't exist? Tell your principal about our website now!</p>
</div>
</div>
</div>
</section>
<br>
<footer>
<div class="footerHR">
</div>
</footer>
<script src="JS/script.js"></script>
</body>
</html>




Answer

You need to define parent's height since you are using percentage.

What is better to do is:

Change your HTML to:

<div class="show-this">
    <div id="abhimanyu"></div>
    <div id="arjun"></div>
    <div id="bheem"></div>
    <div id="eklavya"></div>
</div>

On your css. Add this code:

.show-this {
    height: 100vh;
    width: 100vw;
}

Or you can just declare

body {
    height: 100vh; // or something
}

.show-this {
  width: 100vw;
  height: 100vh; }

.show-this #abhimanyu {
  height: 10%;
  width: 80%;
  background: red; }

.show-this #arjun {
  height: 20%;
  width: 90%;
  background: yellow; }

.show-this #bheem {
  height: 40%;
  width: 50%;
  background: green; }

.show-this #eklavya {
  height: 20%;
  width: 100%;
  background: blue; }
<div class="show-this">
  <div id="abhimanyu"></div>
  <div id="arjun"></div>
  <div id="bheem"></div>
  <div id="eklavya"></div>
</div>

Hope it helps! Cheers.

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