* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    display: flex;
    justify-content: center;
}

.drop-down-menu {
    display: inline-block;
    font-family: Arial, Helvetica, sans-serif;
    margin-top: 60px;
}

.drop-down-button {
    border: 2px solid black;
    background-color: powderblue;
    padding: 8px;
    font-size: 24px;
}

.drop-down-button:hover {
    cursor: pointer;
    filter: brightness(90%);
}

.drop-down-option {
    list-style-type: none;
    text-align: center;
    padding: 4px;
    border: 2px solid black;
    border-top: none;
}