CSS implementation of square, rectangle, circle, semicircle, oval, triangle, parallelogram, diamond, trapezoid, hexagram, pentagram, heart, message box.
<section>
<div id="square"></div>
</section>
<style type="text/css">
#square{
width: 100px;
height: 100px;
background: #4C98F7;
}
</style>
<section>
<div id="rectangle"></div>
</section>
<style type="text/css">
#rectangle{
width: 200px;
height: 100px;
background: #4C98F7;
}
</style>
<section>
<div id="circle"></div>
</section>
<style type="text/css">
#circle{
width: 100px;
height: 100px;
background: #4C98F7;
border-radius: 50%;
}
</style>
<section>
<div id="semicircle"></div>
</section>
<style type="text/css">
#semicircle{
width: 100px;
height: 50px;
background: #4C98F7;
border-radius: 100px 100px 0 0;
}
</style>
<section>
<div id="oval"></div>
</section>
<style type="text/css">
#oval{
width: 100px;
height: 50px;
background: #4C98F7;
border-radius: 100px / 50px;
}
</style>
<section>
<div id="regular-triangle"></div>
</section>
<style type="text/css">
#regular-triangle{
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid #4C98F7;
}
</style>
<section>
<div id="corner-triangle"></div>
</section>
<style type="text/css">
#corner-triangle{
width: 0;
height: 0;
border-top: 100px solid #4C98F7;
border-right: 100px solid transparent;
}
</style>
<section>
<div id="pentagon"></div>
</section>
<style type="text/css">
#pentagon {
width: 0;
height: 0;
border: 100px solid transparent;
border-bottom-color: #4C98F7;
position: relative;
top: -100px;
}
#pentagon:after {
content: "";
position: absolute;
left: -100px;
top: 100px;
width: 0;
height: 0;
border: 100px solid transparent;
border-top-color: #4C98F7;
}
</style>
<section>
<div id="five-pointed-star"></div>
</section>
<style type="text/css">
#five-pointed-star {
margin: 100px 0 50px 0;
position: relative;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid #4C98F7;
border-left: 100px solid transparent;
transform: rotate(35deg);
}
#five-pointed-star:before {
content: "";
position: absolute;
height: 0;
width: 0;
top: -45px;
left: -65px;
border-bottom: 80px solid #4C98F7;
border-left: 30px solid transparent;
border-right: 30px solid transparent;
transform: rotate(-35deg);
}
#five-pointed-star:after {
content: "";
position: absolute;
top: 3px;
left: -105px;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid #4C98F7;
border-left: 100px solid transparent;
transform: rotate(-70deg);
}
</style>
<section>
<div id="five-pointed-star"></div>
</section>
<style type="text/css">
#five-pointed-star {
margin: 100px 0 50px 0;
position: relative;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid #4C98F7;
border-left: 100px solid transparent;
transform: rotate(35deg);
}
#five-pointed-star:before {
content: "";
position: absolute;
height: 0;
width: 0;
top: -45px;
left: -65px;
border-bottom: 80px solid #4C98F7;
border-left: 30px solid transparent;
border-right: 30px solid transparent;
transform: rotate(-35deg);
}
#five-pointed-star:after {
content: "";
position: absolute;
top: 3px;
left: -105px;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid #4C98F7;
border-left: 100px solid transparent;
transform: rotate(-70deg);
}
</style>
<section>
<div id="message-box"></div>
</section>
<style type="text/css">
#message-box {
margin: 0 20px;
width: 120px;
height: 80px;
background: #4C98F7;
position: relative;
border-radius: 10px;
}
#message-box:before {
content:"";
position: absolute;
right: 100%;
top: 26px;
width: 0;
height: 0;
border-top: 13px solid transparent;
border-right: 26px solid #4C98F7;
border-bottom: 13px solid transparent;
}
</style>
<!DOCTYPE html>
<html>
<head>
<title>Implementing Graphic Effects with CSS</title>
<style type="text/css">
section{
margin: 10px 0;
}
#square{
width: 100px;
height: 100px;
background: #4C98F7;
}
#rectangle{
width: 200px;
height: 100px;
background: #4C98F7;
}
#circle{
width: 100px;
height: 100px;
background: #4C98F7;
border-radius: 50%;
}
#semicircle{
width: 100px;
height: 50px;
background: #4C98F7;
border-radius: 100px 100px 0 0;
}
#semicircle{
width: 100px;
height: 50px;
background: #4C98F7;
border-radius: 100px 100px 0 0;
}
#oval{
width: 100px;
height: 50px;
background: #4C98F7;
border-radius: 100px / 50px;
}
#regular-triangle{
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid #4C98F7;
}
#corner-triangle{
width: 0;
height: 0;
border-top: 100px solid #4C98F7;
border-right: 100px solid transparent;
}
#parallelogram{
margin: 0 15px;
width: 200px;
height: 100px;
transform: skew(-20deg);
background: #4C98F7;
}
#diamond {
width: 0;
height: 0;
border: 100px solid transparent;
border-bottom-color: #4C98F7;
position: relative;
top: -100px;
}
#diamond:after {
content: "";
position: absolute;
left: -100px;
top: 100px;
width: 0;
height: 0;
border: 100px solid transparent;
border-top-color: #4C98F7;
}
#hexagons{
margin: 35px 0;
width: 0;
height: 0;
border-left: 60px solid transparent;
border-right: 60px solid transparent;
border-bottom: 60px solid #4C98F7;
position: relative;
}
#hexagons:after {
width: 0;
height: 0;
border-left: 60px solid transparent;
border-right: 60px solid transparent;
border-top: 60px solid #4C98F7;
position: absolute;
content: "";
top: 20px;
left: -60px;
}
#five-pointed-star {
margin: 100px 0 70px 0;
position: relative;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid #4C98F7;
border-left: 100px solid transparent;
transform: rotate(35deg);
}
#five-pointed-star:before {
content: "";
position: absolute;
height: 0;
width: 0;
top: -45px;
left: -65px;
border-bottom: 80px solid #4C98F7;
border-left: 30px solid transparent;
border-right: 30px solid transparent;
transform: rotate(-35deg);
}
#five-pointed-star:after {
content: "";
position: absolute;
top: 3px;
left: -105px;
width: 0px;
height: 0px;
border-right: 100px solid transparent;
border-bottom: 70px solid #4C98F7;
border-left: 100px solid transparent;
transform: rotate(-70deg);
}
#heart-shaped {
position: relative;
width: 100px;
height: 90px;
}
#heart-shaped:before,
#heart-shaped:after {
content: "";
position: absolute;
left: 50px;
top: 0;
width: 50px;
height: 80px;
background: #4C98F7;
border-radius: 50px 50px 0 0;
transform: rotate(-45deg);
transform-origin: 0 100%;
}
#heart-shaped:after {
left: 0;
transform: rotate(45deg);
transform-origin: 100% 100%;
}
<!DOCTYPE html>
<html>
<head>
<style>
#message-box {
margin: 0 20px;
width: 120px;
height: 80px;
background: #4C98F7;
position: relative;
border-radius: 10px;
}
#message-box:before {
content:"";
position: absolute;
right: 100%;
top: 26px;
width: 0;
height: 0;
border-top: 13px solid transparent;
border-right: 26px solid #4C98F7;
border-bottom: 13px solid transparent;
}
</style>
</head>
<body>
<section>
<div id="square"></div>
</section>
<section>
<div id="rectangle"></div>
</section>
<section>
<div id="circle"></div>
</section>
<section>
<div id="semicircle"></div>
</section>
<section>
<div id="oval"></div>
</section>
<section>
<div id="regular-triangle"></div>
</section>
<section>
<div id="corner-triangle"></div>
</section>
<section>
<div id="parallelogram"></div>
</section>
<section>
<div id="diamond"></div>
</section>
<section>
<div id="hexagons"></div>
</section>
<section>
<div id="five-pointed-star"></div>
</section>
<section>
<div id="heart-shaped"></div>
</section>
<section>
<div id="message-box"></div>
</section>
</body>
</html>
https://github.com/WindrunnerMax/EveryDay
https://www.jianshu.com/p/f40617d863a3
https://css-tricks.com/the-shapes-of-css/
https://www.w3cplus.com/css/create-shapes-with-css