table {
    table-layout: fixed;
    width: 100%;
    height: 90vh;
    border-collapse: collapse;
    border: none;
}

td, th {
    border: none;
    padding: 10px;
}

th {
    background-color: #4c906813;
    color: white;
    font-weight: bold;
}

.image {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-image: url('https://images.unsplash.com/photo-1529697216570-f48ef8f6b2dd?ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&q=80&w=1740');
    background-size: cover;
    background-position: center; 
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.colorful {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background-image: linear-gradient(to right bottom, #06A77D, #D5C67A);
    min-height: 100vh;
}

.left {
    text-align: left;
}

.center {
    text-align: center;
}

.right {
    text-align: right;
}

.top {
    vertical-align: top;
}

.middle {
    vertical-align: middle;
}

.bottom {
    vertical-align: bottom;
}

.merged {
    background-color: #e3f2fd;
    font-weight: bold;
}