style.css

:root {
    --color-background: rgb(244, 244, 244);
    --color-text: rgb(23, 23, 23);
    --color-primary: linear-gradient(to left bottom, #56ccf2, #25bbf5, #00a9f6, #0096f4, #2f80ed) fixed;
    --color-accent: #25bbf5;
    --color-primary-text: white;
}

@media (prefers-color-scheme:dark) {
    :root {
        --color-background: rgb(33, 33, 33);
        --color-text: rgb(255, 255, 255);
        --color-primary: linear-gradient(to right top, #ee0979, #ff6a00) fixed;
        --color-accent: #f94a28;
        --color-primary-text: white;
    }
}
@media (prefers-color-scheme:light) {
    :root {
        --color-background: rgb(244, 244, 244);
        --color-text: rgb(23, 23, 23);
        --color-primary: linear-gradient(to left bottom, #56ccf2, #25bbf5, #00a9f6, #0096f4, #2f80ed) fixed;
        --color-primary-text: white;
    }
}

#curtine {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-background);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    animation: 2s fade 1s paused forwards;
    z-index: 100;
}

#curtine img {
    width: 50vmin;
}

#curtine > span::after {
    content: '...';
    animation: dots 4s linear infinite;
}

@keyframes dots {
    0% {
        content: ''
    }

    25% {
        content: '.'
    }

    75% {
        content: '..'
    }

    100% {
        content: '...'
    }
}

@keyframes fade {
    0% {
        opacity: 1.0
    }

    100% {
        opacity: 0.0
    }
}

body {
    max-width: 850px;
    box-shadow: 3px 3px 10px rgba(0, 0, 0, 0.46);
    margin: auto;
    font-family: Roboto;
    background: var(--color-background);
    color: var(--color-text);
}

body > * {
    padding: 1em;
    font-weight: 100
}

header {
    background: var(--color-primary);
    color: var(--color-primary-text);
}

h1{
    margin: 0;
    font-weight: bolder;
}

h2{
    font-weight: 300;
}

#ranking {
    display: flex;
    flex-direction: column;
    margin: auto;
    padding: auto;
}

#ranking > div {
    display: flex;
    width: 100%;
    min-height: 3em;
    margin: 0.1em auto;
    background-color: rgba(0, 0, 0, 0.05);
    position: relative;
}

#ranking span,
#ranking input[type="text"] {
    flex: 1;
}

#ranking i,
#ranking span {
    display: block;
    margin: auto 0.5em;
}

#ranking i {
    flex: initial;
}

.question {
    display: block;
    font-size: 1.1em;
    margin: 0.7em auto 0.4em auto;
}

select,
input {
    padding: 1%;
    margin: 1%;
    font-family: roboto;
    background: var(--color-background);
    color: var(--color-text);
    border: var(--color-text) solid 1px;
}

select {
    width: 70%;
}

option {
    font-family: inherit;
    font-weight: normal;
    background: var(--color-background);
}

optgroup, optgroup:before{
    font-family: 'Roboto';
    font-weight: normal;
    font-style: normal;
    background: var(--color-accent);
}

form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (min-width: calc(250 * 2px)) {
    form {
        grid-template-columns: repeat(2, minmax(250px, 1fr));
    }
}

input[type="number"] {
    border: none;
    font-family: inherit;
    text-align: center;
}

input[type="submit"],button {
    background: var(--color-primary);
    color: var(--color-primary-text);
    border: none;
    padding-top: .5em;
    padding-bottom: .5em;
    margin: 1em;
    grid-column: span 1 / -1;
}

input::-webkit-inner-spin-button {
    display: none;
}

noscript {
    background-color: red;

    /* Create the gradient. */
    background: var(--color-primary);

    background-attachment: local;
    /* Set the background size and repeat properties. */
    background-size: 100%;
    background-repeat: repeat;

    /* Use the text as a mask for the background. */
    /* This will show the gradient as a text color rather than element bg. */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    -moz-background-clip: text;
    -moz-text-fill-color: transparent;
    margin-top: 2em;
    font-size: 0.5em;
    
}

#data{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    
}

.ghost{
    filter: blur(1px) opacity(54%);
    background: var(--color-primary);
    color: var(--color-primary-text);
}

footer{
    /*text-align: right;*/
    font-size: .7em;
    font-weight: 300;
    filter: opacity(.5);
}

footer a{
    color: inherit;
}