style.css

@import url('https://fonts.googleapis.com/css2?family=VT323&display=swap');
body {
    font-family: 'VT323', monospace;
    font-size: larger;
}

input {
    text-align: center;
}

.entry {
    background-color: blue;
    display: flex;
    justify-content: flex-end;
    color: #ffffff;
    font-weight: lighter;
    font-size: 25px;
    padding-left: 10px;
    font-size: x-large;
    padding-left: 10px;
    padding-top: 5px;
    padding-right: 10px;
}

.datatbl {
    background-color: cornflowerblue;
    height: 500px;
    border: 10px solid blue;
    overflow-y: scroll;
}

table {
    background-color: rgb(162, 162, 189);
    border: 2px dotted darkslategrey;
    border-collapse: separate;
    position: relative;
}

th,
td {
    font-weight: lighter;
    border: 2px dashed white;
    color: black;
    font-size: x-large;
}

th {
    background-color: blue;
    border: 2px dashed white;
    color: white;
    top: 0px;
    position: sticky;
}

.datatbl::-webkit-scrollbar {
    width: 20px;
    border: 2px solid snow;
    /* width of the entire scrollbar */
}

.datatbl::-webkit-scrollbar-track {
    background: silver;
}

.datatbl::-webkit-scrollbar-thumb {
    background-color: blue;
    border: 3px solid rgb(235, 241, 247);
}

.footer {
    background-color: blue;
    color: antiquewhite;
    padding-left: 10px;
    padding-right: 10px;
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
}