* {
    background-color: lightgreen;
}

header {
    /* width: 300px; */
    border: 5px solid green;
    padding: 10px;
    margin: 30px;
    text-align: center;
    box-shadow: 10px 10px 15px 5px rgba(0, 0, 0, 0.8);
}

#title {
    color: rgb(28, 28, 199);
    font: 28px comic sans ms, serif;
}

nav {
    font-size: 10px;
    color: brown;
    text-align: center;
}

#tag {
    font-weight: bold;
}

#divPart1 {
    border-bottom: 2px solid salmon;
    margin: 20px;
}

#part1 {
    color: blue;
    text-align: center;
}

.arrow {
    font-style: italic;
}

article {
    border: 20px black;
    padding-left: 10px;
    padding-right: 10px;
}

#article1 p {
    text-align: center;
    color: rgb(106, 17, 169);
}

#article2 p {
    text-align: center;
    color: rgb(167, 37, 206);
}

dt {
    font-family: Brush Script MT, cursive;
    color: rgb(89, 143, 143);
    border: 20px black;
}

dd {
    color: rgb(54, 50, 43);
    font-family: 'Courier New', monospace;
}

#article3 p {
    text-align: center;
    color: rgb(142, 247, 136);
}

#article3 h4 {
    box-shadow: 4px 4px 4px 4px rgba(0, 0, 0, 0.8);
}

ul {
    color: rgb(95, 25, 160);
}

.definition {
    border: 2px solid rgb(157, 0, 255);
    margin: 10px;
    color: rgb(183, 183, 2);
    text-align: center;
}

#article4 p {
    text-align: center;
    color: rgb(181, 82, 79);
}

#article5 p {
    text-align: center;
    color: rgb(39, 124, 28);
}

#article6 p {
    text-align: center;
    color: rgb(39, 132, 145);
}

#article7 p {
    text-align: center;
    color: rgb(106, 17, 169);
}

h4 {
    text-align: center;
    color: mediumvioletred;
    box-shadow: 4px 4px 4px 4px rgba(0, 0, 0, 0.8);
}

#think {
    width: 80px
}

#topDiv {
    border-top: 2px solid rgb(255, 0, 0);
    border-bottom: 2px solid green;
    margin: 10px;
}

#bottomDiv {
    border-bottom: 2px solid blue;
    border-top: 2px solid orange;
    margin: 10px;
}

#part3 {
    color: salmon;
    text-align: center;
}

footer {
    font-size: 10px;
    text-align: center;
    color: brown;
}