#pianoRoll {
    display: flex;
    align-items: flex-start;
    height: 180px;
    margin: 20px auto;
    border: 1px solid rgba(255, 255, 255, 0.12);
    max-width: 800px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 12px;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(255, 255, 255, 0.03);
}
.key {
    position: relative;
    border: 1px solid #000;
    text-align: center;
    vertical-align: top;
    font-size: 12px;
    line-height: 1;
}
.white-key {
    width: 40px;
    height: 180px;
    background-color: rgb(255, 255, 255);
    margin-left: -1.5px;
    margin-right: -1.5px;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}
.black-key {
    width: 25px;
    height: 100px;
    background-color: rgb(0, 0, 0);
    color: white;
    margin-left: -12.5px;
    margin-right: -12.5px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    align-self: flex-start;
    flex-direction: column;
    padding-bottom: 5px; /* black key height */
}
.black-key.half-width {
    width: 12.5px;
    margin-left: 0;
    margin-right: -12.5px;
}
.black-key.half-width-trailing {
    width: 12.5px;
    margin-left: -12.5px;
    margin-right: 0;
}
.highlight {
    background: linear-gradient(135deg, rgb(140, 90, 50) 0%, rgb(166, 116, 74) 35%, rgb(190, 140, 90) 74%, rgb(220, 180, 130) 100%);
}
.btn {
    padding: 10px;
    background: linear-gradient(135deg, rgb(140, 90, 50) 0%, rgb(166, 116, 74) 35%, rgb(190, 140, 90) 74%, rgb(220, 180, 130) 100%);
    color: rgba(24, 24, 24, 0.95);
    font-weight: 600;
    align-items: center;
    font-family: 'Franklin Gothic Light', sans-serif;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 
        0 2px 8px rgba(166, 116, 74, 0.3),
        0 0 20px rgba(190, 140, 90, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 4px 12px rgba(166, 116, 74, 0.4),
        0 0 30px rgba(190, 140, 90, 0.3);
}

.btn:active {
    transform: translateY(0);
}
.buttonBox {
    display: flex;
    justify-content: center;
    margin-top: 20px; /* Space between piano roll and buttons */
    gap: 10px; /* Space between buttons */
}
.instructionText {
    color: white;
    font-family: 'Franklin Gothic Medium', sans-serif;
    font-size: 20px;
    text-align: center;
    margin-top: 20px; /* Space between instruction text and buttons */
}
body {
    font-family: 'Franklin Gothic Medium', sans-serif;
    background: #09090b;
}
h1 {
    align-items: center;
    color: white;
    text-align: center;
}

ul {
    list-style: none;
    background-color: rgb(42, 42, 42);
}

ul li {
    display: inline-block;
    position: relative;
}

ul li a {
    display: block;
    padding: 20px 25px;
    color: white;
    text-decoration: none;
    text-align: center;
    font-size: 20px;
}

ul li ul.dropdown li {
    display: block;
}

ul li ul.dropdown {
    width: 100%;
    background-color: rgb(42, 42, 42);
    position: absolute;
    z-index: 999;
    display: none;
}

ul li a:hover {
    background-color: rgb(32,32,32);
}

ul li:hover ul.dropdown {
    display: block;
}