*{
margin:0;
padding:0;
}
body{
margin:0;
padding:0;
}
a{
text-decoration: none;
outline: none;
}

h1{
width: auto;
height:40px;
border-radius: 20px;
backgroung:rgba(21,40,82，0.6);
border:3px solid #f40;
padding-left: 30px;
}
#main{
justify-content: space-around;
}