Hello readers!

In this blog we will discuss how to make shapes using css only. to make any shape we have to know mainly about 2 pseudo Elements.

::before :- We can use this element to insert some content before an element.

::after :- We can use this element to insert some content after an element.

Star (Six-corner) :-

<div id='star-six'></div>
#star-six {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 100px solid #333;
    position: relative;
}
#star-six:after {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-top: 100px solid #333;
    position: absolute;
    content: "";
    top: 30px;
    left: -50px;
}

Star (Five-corner)

#star-five {
   margin: 50px 0;
   position: relative;
   display: block;
   color: #333;
   width: 0px;
   height: 0px;
   border-right:  100px solid transparent;
   border-bottom: 70px  solid #333;
   border-left:   100px solid transparent;
   -moz-transform:    rotate(35deg);
   -webkit-transform: rotate(35deg);
   -ms-transform:     rotate(35deg);
   -o-transform:      rotate(35deg);
}
#star-five:before {
   border-bottom: 80px solid #333;
   border-left: 30px solid transparent;
   border-right: 30px solid transparent;
   position: absolute;
   height: 0;
   width: 0;
   top: -45px;
   left: -65px;
   display: block;
   content: '';
   -webkit-transform: rotate(-35deg);
   -moz-transform:    rotate(-35deg);
   -ms-transform:     rotate(-35deg);
   -o-transform:      rotate(-35deg);

}
#star-five:after {
   position: absolute;
   display: block;
   color: #333;
   top: 3px;
   left: -105px;
   width: 0px;
   height: 0px;
   border-right: 100px solid transparent;
   border-bottom: 70px solid #333;
   border-left: 100px solid transparent;
   -webkit-transform: rotate(-70deg);
   -moz-transform:    rotate(-70deg);
   -ms-transform:     rotate(-70deg);
   -o-transform:      rotate(-70deg);
   content: '';
}

Pentagon :-

#pentagon {
    position: relative;
    width: 54px;
    border-width: 50px 18px 0;
    border-style: solid;
    border-color: #333 transparent;
}
#pentagon:before {
    content: "";
    position: absolute;
    height: 0;
    width: 0;
    top: -85px;
    left: -18px;
    border-width: 0 45px 35px;
    border-style: solid;
    border-color: transparent transparent #333;
}

Hexagon:-

#hexagon {
    width: 100px;
    height: 55px;
    background: #333;
    position: relative;
}
#hexagon:before {
    content: "";
    position: absolute;
    top: -25px; 
    left: 0;
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 25px solid #333;
}
#hexagon:after {
    content: "";
    position: absolute;
    bottom: -25px; 
    left: 0;
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-top: 25px solid #333;
}

Octagon:-

#octagon {
    width: 100px;
    height: 100px;
    background: #333;
    position: relative;
}

#octagon:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;    
    border-bottom: 29px solid #333;
    border-left: 29px solid #eee;
    border-right: 29px solid #eee;
    width: 42px;
    height: 0;
}

#octagon:after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;    
    border-top: 29px solid #333;
    border-left: 29px solid #eee;
    border-right: 29px solid #eee;
    width: 42px;
    height: 0;
}

Heart :-

#heart {
    position: relative;
    width: 100px;
    height: 90px;
}
#heart:before,
#heart:after {
    position: absolute;
    content: "";
    left: 50px;
    top: 0;
    width: 50px;
    height: 80px;
    background: #333;
    -moz-border-radius: 50px 50px 0 0;
    border-radius: 50px 50px 0 0;
    -webkit-transform: rotate(-45deg);
       -moz-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
         -o-transform: rotate(-45deg);
            transform: rotate(-45deg);
    -webkit-transform-origin: 0 100%;
       -moz-transform-origin: 0 100%;
        -ms-transform-origin: 0 100%;
         -o-transform-origin: 0 100%;
            transform-origin: 0 100%;
}

Egg:-

 #egg { display:block;
    width: 126px; height: 180px; 
    background-color: #333; 
    -webkit-border-radius: 63px 63px 63px 63px / 108px 108px 72px 72px;
     border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; }

Talkbubble:-

{ 
    width: 120px;
    height: 80px;
    background: #333; 
    position: relative;
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    border-radius: 10px; 
} 
#talkbubble:before 
{ 
    content:"";
    position: absolute;
    right: 100%;
    top: 26px;
    width: 0;
    height: 0; 
    border-top: 13px solid transparent; 
    border-right: 26px solid #333; 
    border-bottom: 13px solid transparent; 
} 

Yin-yang :-

{ 
    width: 96px; 
    height: 48px; 
    background: #fff; 
    border-color: #333; 
    border-style: solid; 
    border-width: 2px 2px 50px 2px; 
    border-radius: 100%; 
    position: relative; 
} 
#yin-yang:before 
{ 
    content: ""; 
    position: absolute; 
    top: 50%; 
    left: 0; 
    background: #eee; 
    border: 18px solid #333; 
    border-radius: 100%; 
    width: 12px; 
    height: 12px; 
} 
#yin-yang:after 
{ 
    content: ""; 
    position: absolute; 
    top: 50%; 
    left: 50%; 
    background: #333; 
    border: 18px solid #fff; 
    border-radius:100%; 
    width: 12px; 
    height: 12px; 
}

TV screen:-

#tv{ 
    position: relative; 
    width: 200px; 
    height: 150px; 
    margin: 20px 0; 
    background: #333; 
    border-radius: 50% / 10%; color: white; 
    text-align: center; text-indent: .1em; 
} 
#tv:before 
{ 
    content: ''; 
    position: absolute; 
    top: 10%; 
    bottom: 10%; 
    right: -5%; 
    left: -5%; 
    background: inherit; 
    border-radius: 5% / 50%; 
}

Cone: -

#cone 
{ 
    width: 0; 
    height: 0; 
    border-left: 70px solid transparent; 
    border-right: 70px solid transparent; 
    border-top: 100px solid #333; 
    -moz-border-radius: 50%; 
    -webkit-border-radius: 50%; 
    border-radius: 50%; 
}

Diamond:-

#diamond 
{ 
    border-style: solid; 
    border-color: transparent transparent #333 transparent; 
    border-width: 0 25px 25px 25px; 
    height: 0; width: 50px; 
    position: relative; 
    margin: 20px 0 50px 0; 
} 
#diamond:after 
{ 
    content: ""; 
    position: absolute; 
    top: 25px; left: -25px; 
    width: 0; 
    height: 0; 
    border-style: solid; 
    border-color: #333 transparent transparent transparent; 
    border-width: 70px 50px 0 50px; 
}