body{
    background-color: #333;
    color: #ddd;
    font-family: "Roboto", sans-serif;
    font-weight: 100;
    font-style: normal;
}
.select-container{
    margin: 100px;
}
.data-table {
    border-collapse: collapse;
    margin: auto;
    font-size: 0.9em;
    width: 80%;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
}
.data-table thead tr {
    background-color: #3066BE;
    color: #ffffff;
    text-align: left;
}
.data-table th,
.data-table td {
    padding: 12px 15px;
}
.data-table tbody tr:nth-of-type(even) {
    background-color: #555;
    color: #fff;
}

.data-table tbody tr:last-of-type {
    border-bottom: 2px solid #009879;
}
tbody tr:hover{
    background-color: #777 ;
    border: 1px solid white;
    color: white;
}
.button-container{
    margin-left: 60%;
    margin-top: 5%;
}
button{
    padding: 10px 20px;
    border-radius: 5px;
    border: none;
    margin-right: 20px;
    background: #555;
    color: white;
    margin-bottom: 50px;
}
button:hover{
    background-color: #3066BE;
    transition-duration: 0.6s;
}