body{background-color:Linen; }

header{text-align:center;padding:2em;}

main{padding:2em 5em;}

img{height:250px;width:auto;border:double}

img.grid{height:200px;float:right;width:auto;}

h1{font-size:100em;}

def.{font-style:italic;}

.rule{font-size:20px;}

#grad {background-image: linear-gradient(Linen, SandyBrown);}

.silly{background-image:url("https://www.geocities.ws/mommy9876/Mommy9876sPlace/backs/sunsetbg.jpg");}

.hehe{text-decoration:underline wavy;text-align:center;text-decoration-color:teal}

.secret{width:15px; height:15px; transition: height 1s, width 1s}

.secret:hover{width:150px; height:150px}