header{
    border-style:Solid;
    background-color:black;
    padding:20px;
}
main{
    border-style:Solid;
    Background-color:white;
    text-align:middle;
}
footer{
    background-color:black;
    color:white;
}

h1{
    font:serif;
    color:#73000B;
}
body{
    font-family:serif;
    margin:20px;
}

a:hover{
    color:Darkblue;
    font-size:20px;
}

h2{
    color:#73000B;
}

p{
    font-size:20px;
}
#christmas:active::after{
    background-color:Lightgreen;
    color:red;
    content:"Merry Christmas!";
}
#halloween:active::after{
    background-color:black;
    color:orange;
    content:"Happy Halloween!";
}
#thanksgiving:active::after{
    background-color:brown;
    color:yellow;
    content:"🦃 ";
}
.light{
    opacity:0.75;
}
.lighter{
    opacity:0.5;
}
.lightest{
    opacity:0.25;
}
#cool:hover::after{
    background-color:black;
    color:white;
    content:"IM THE BESTT!";
}
#cooler:hover::after{
    background-color:red;
    color:white;
    content:"NO I AM!";
}
#coolest:hover::after{
    background-color:purple;
    color:pink;
    content:"You guys know I am right?";
}
ul{
    background-color:black;
    color:white;
}