How to give a div oval shape? - css

Question

I tried a lot on oval shape which have cut in both sides but not able to do it please
I need code for oval shape with cut in both side..
Here's my code below:-
.demo{
width: 100%;
height: 600px;
background: white;
-moz-border-radius: 100px / 50px;
-webkit-border-radius: 100px / 178px;
border-radius: 694px / 208px;
z-index: 100;
position: relative;
}

Answer 1

Is this OK ?
HTML
<div id="oval_parent">
<div id="oval"></div>
</div>
CSS
#oval_parent{
background:black;
width:200px;
height:120px;
overflow:hidden;
}
#oval{
width: 220px;
height: 100px;
margin:10px 0 0 -10px;
background: white;
-moz-border-radius: 100px / 50px;
-webkit-border-radius: 100px / 50px;
border-radius: 100px / 50px;
}
DEMO.

Answer 2

Try this:
#oval-shape {
width: 200px;
height: 100px;
background: blue;
-moz-border-radius: 100px / 50px;
-webkit-border-radius: 100px / 50px;
border-radius: 100px / 50px;
}
Notice the ratios in the corner values in relation to the height.
Demo - http://jsfiddle.net/XDLVx/

Answer 3

Change the values on css:
#demo {
width: 100%;
height: 600px;
background: white;
-moz-border-radius: 50% / 250px;
-webkit-border-radius: 40% / 250px;
border-radius: 50% / 250px;
z-index: 100;
position: relative;
}

Answer 4

Put it inside another div which is high enough to show all the oval, not quite wide enough, and set overflow: hidden. If it's positioned at the centre the edges will be cut off, but you won't be able to side-scroll.

Answer 5

Here are two possible variants:
Method #01:
Use radial-gradient():
background: radial-gradient(ellipse 65% 40%, transparent 0, transparent 90%, black 90%);
body {
background: linear-gradient(orange, red);
padding: 0 20px;
margin: 0;
}
.oval {
background: radial-gradient(ellipse 65% 40%, transparent 0, transparent 90%, black 90%);
height: 100vh;
}
<div class="oval">
</div>
Method #02:
Create an overlay with :before or :after pseudo element.
Add border-radius.
Apply a large box-shadow with overflow: hidden on parent to hide undesired area.
body {
background: linear-gradient(orange, red);
padding: 0 20px;
margin: 0;
}
.oval {
position: relative;
overflow: hidden;
height: 100vh;
}
.oval:before {
box-shadow: 0 0 0 500px #000;
border-radius: 100%;
position: absolute;
content: '';
right: -10%;
left: -10%;
top: 10%;
bottom: 10%;
}
<div class="oval">
</div>