I share about CSS Beginner Tutorials. Please look at styles.doc files. and follow the features as per mentioned in code.. Thanks for support.

1. /* header css style started*/
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https://www.youtube.com/@MayilRangoli/videos */
.header{
width:960px;
margin:0px auto;
}
.header h1{
text-align:center;
margin:0;
font-size:50px;
font-family:sans-serif;
font-style: italic;
padding-bottom:50px;
}
.header h1 span{
color:red;
}
/* header css style ended*/
/* heart shape css style started*/
.heart-shape{
position:relative;
width:200px;
height:200px;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
background-color: rgb(255, 0, 0);
margin:60px 0 0 150px;
}
.heart-shape:before,
.heart-shape:after{
position:absolute;
content:'';
width:200px;
height:200px;
-webkit-border-radius: 50%;
-moz-border-radius: 50%;
-o-border-radius: 50%;
border-radius: 50%;
background-color: rgb(255, 0, 0);
}
.heart-shape:before{
bottom:0px;
left:-100px;
}
.heart-shape:after{
top:-100px;

2. right:0px;
}
/*heart shape css style ended*/