body {
    font-family: 'Ubuntu', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #f4f4f4;
}

#container {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0px 0px 10px 0px #000000;
}

#timeGrid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
}

.timeCell {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-top: 1.5px solid #000;
    border-left: 1.5px solid #000;
    border-right: 3px solid #000;
    border-bottom: 3px solid #000;
    text-align: center;
}

.red-highlight {
    background-color: red !important;
}

.bold-text {
    font-weight: bold;
}

#progressContainer {
    width: 100%;
    background-color: #e0e0e0;
    margin-top: 20px;
    border-radius: 8px;
}

#progressBar {
    height: 30px;
    width: 0%;
    background-color: #76c7c0;
    text-align: center;
    line-height: 30px;
    color: white