* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.drop-dwn-btn {
    outline: none;
    border: none;
    padding: 10px;
    background-color: #0081cb;
    color: white;
    margin: 10px;
    cursor: pointer;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.drop-down-content {
    position: absolute;
    display: none;
    left: 10px;
    z-index: 1;
    top: 47px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
}

.drop-down-content a {
    display: block;
    background-color: #e2e2e2;
    padding: 10px;
    text-decoration: none;
    color: black;
}

.drop-down-content a:hover {
    background-color: cornsilk;
}

.dropdown:hover .drop-down-content {
    display: block;
}