h1{ text-align: center;
color: darkblue;
background-color: aqua;
border: solid 5px;
border-radius: 10px;
}
h3{ text-align: center;
color: darkred;
background-color: yellowgreen;
border: solid 3px darkred;
border-radius: 15px;}
p{ text-align: right;
font-size: large;
font: arial;}
.s2{ text-align: left;
width: 50px;
padding: 5px;
background-color: darkorange;}
.s1{ text-align: center}

#lamp{width: 200px;}
button{color:width: 30px; padding: 60px;}