body {
    font-family: Arial;
    background-color: lightcoral;
    margin: auto;
    padding: 20px;
    text-align: center;
}
h1 {
    text-align: center;
    color:#2c2c2c;
}
table {
    width: auto;
    margin: auto;
    border-collapse: collapse;
    background: white;
}
th, td {
    padding: 10px;
    border: 1px solid black;
}
th {
    background-color: darkcyan;
    color: white;
}
button {
    margin: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: 0.3s ease;
}
button.all {
    background-color: rebeccapurple;
    color: white;
}
button.all:hover {
    background-color: indigo;
}
button.available {
    background-color: seagreen;
    color: white;
}
button.available:hover {
    background-color: mediumseagreen;
}
button.issued {
    background-color: crimson;
    color: white;
}
button.issued:hover {
    background-color: firebrick;
}