* {
    margin: 0;
    padding: 0;
    font-family: consolas;
}
body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: #222;
    color: #ddd;
    flex-direction: column;
}
h1 {
    color: #0ff;
    font-variant: small-caps;
    font-weight: 800;
    margin-bottom: 20px;
}
td:nth-child(1) {
    min-width: 150px;
    color: #fff;
}
input.hello {
    background: #111;
    color: #fff;
    border: none;
    height: 40px;
    padding: 10px;
    margin-bottom: 10px;
    min-width: 200px;
}
.lastc {
    text-align: center;
}
#bord {
    margin-top: 35px;
    border-collapse: collapse;
    border: 2px solid black;
}
#bord tr, #bord td {
    border: 2px solid black;
    text-align: center;
}
th {
    border-right: 2px solid black;
    text-align: center;
    font-variant: small-caps;
    border-bottom: 3px solid white;
    cursor: pointer;
}
th:last-child {
    cursor: default;
}
.container {
    min-width: 90vw;
    display: flex;
    justify-content: center;
}
.hellow {
    min-width: 100px;
    margin: 0 15px;
}
.arrow_up {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 10px solid rgb(43, 255, 0);
    display: inline-block;
}
.arrow_down {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 10px solid rgb(255, 51, 0);
    display: inline-block;
}