*{
    margin: 0;
    padding: 0;
}
body{
    background-color: cyan;
    
}
h1{
    text-align: center;
    text-transform: uppercase;
    font-weight: 100;
    font-size: 4rem;
    color: black;
	text-shadow: 0 0 8px white;
}
/* b{
	text-decoration: underline;
} */
h2{
	text-decoration: underline;
	font-size: 2vw;
	margin: 2vh 0;
	margin-left: 0vh;
}
.buff{
	padding-left: 3vw;
}
.ital{
	font-style: italic;
	margin-bottom: 10px;
}
.gap{
    margin-top: 2vh;;
}
.example{
    margin: 2vh 15vw 0 15vw;
    padding-left: 2vw;;
    font-weight: 100;
    font-size: 1.5rem;
	text-shadow: 0 0 8px rgb(245, 232, 199);
    box-shadow: 0 0 30px white;
    background-color: white;
    border-radius: 10px;
    /* text-align: center; */
}
p{
	font-size: 1.15vw;
}
pre{
	font-size: 1.25vw;
	text-shadow: 0 0 3px rgb(245, 232, 199);
}
a{
    text-decoration: none;
    color:black;
}
main{
    color:black;
    margin: 0vw 10vw;
    margin-bottom: 2vh;
}
header{
    position:relative;
}
table{
	color:black;
}
td{
	text-align:center;
}
.back_to_index{
    position: absolute;
    top: 38;
    left: 10vw;
    width: 10vw;
    height: 34%;
    display: grid;
    place-content: center;
	text-shadow: 0 0 0px rgb(245, 232, 199);
	font-size: 1.5vw;
    font-weight: 100;
	text-transform: capitalize;
    box-shadow: 0px 0px 10px rgb(80, 101, 158);
    border: 2px solid black;
    border-radius: 10px;
    transition: ease-in .4s box-shadow,ease-in .4s background-color;
}

li{
	margin-bottom:3vh;
}
.back_to_index:hover{
    background-color: white;
    box-shadow: 0px 0px 8px black;
}
.whiter ul{
    list-style-type: none;
    display: flex;
    justify-content: space-around;
    align-items: center;
    width:100%;
    height:80%;
}
.whiter ul a{
    width: 12%;
    height:80%;
    /* background-color: orange; */
    display:grid;
    place-content: center;
    border:1px solid black;
    border-radius:8px;
	text-shadow: 0 0 10px rgb(235, 226, 226);
    transition: ease-in .3s background-color, ease-in .3s text-shadow;
}
.whiter ul a:hover{
    background-color: lightblue;
    
	text-shadow: 0 0 10px white;
}
.whiter ul li{
	margin-bottom:0vh;
	text-transform: uppercase;
}
.whiter{
    margin: 0% 30%;
	margin-bottom: 5%;
	margin-top: 3%;
    padding: 0% ;
    width: 40%;
    height: 9%;
    display:flex;
    align-items: center;
    background-color: white;
    border : 2px solid black;
    border-radius: 10px;
    box-shadow: 0px 0px 13px black;

}