* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: #000;
    height: 100vh;
}

header {
    background-color: #999494;
    width: 900px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    margin: 0 auto;
    margin-top: 20px;
}

header .img {
    width: 6%;
    display: flex;
    margin-left: 10px;
    justify-content: center;
    align-items: center;
}

header .img img {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
}

.links {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    gap: 20px;
    margin-right: 50px;
}

.links a {
    font-size: 20px;
    text-decoration: none;
    color: #fff;
    transition: ease .5s;
}

.links a:hover {
    color: #F2CB05;
}

.links a:active {
    transform: scale(.9);
    transition: all 100ms ease;
}

section {
    background-color: #232323;
    width: 852px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    height: 500px;
    margin-top: 50px;
    border-radius: 20px;
}

section .container {
    background-color: #1E1E1E;
    width: 650px;
    border-radius: 20px;
    height: 400px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.container-items {
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.container-items h1 {
    text-align: center;
}

.container-items input {
    width: 100px;
    height: 25px;
    outline: none;
    border-radius: 5px;
    border: none;
    text-align: center;
    font-size: 19px;
}

/* Button */

:root {
    --btn-default-bg: rgb(41, 41, 41);
    --btn-padding: 15px 20px;
    --btn-hover-bg: rgb(51, 51, 51);
    --btn-transition: .3s;
    --btn-letter-spacing: .1rem;
    --btn-animation-duration: 1.2s;
    --btn-shadow-color: rgba(0, 0, 0, 0.137);
    --btn-shadow: 0 2px 10px 0 var(--btn-shadow-color);
    --hover-btn-color: #FAC921;
    --default-btn-color: #fff;
    --font-size: 16px;
    --font-weight: 600;
    --font-family: Menlo, Roboto Mono, monospace;
}

.container-items button {
    border-radius: 6px;
    box-sizing: border-box;
    padding: var(--btn-padding);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--default-btn-color);
    font: var(--font-weight) var(--font-size) var(--font-family);
    background: var(--btn-default-bg);
    border: none;
    cursor: pointer;
    transition: var(--btn-transition);
    overflow: hidden;
    box-shadow: var(--btn-shadow);
}

.container-items button span {
    letter-spacing: var(--btn-letter-spacing);
    transition: var(--btn-transition);
    box-sizing: border-box;
    position: relative;
    background: inherit;
}

.container-items button span::before {
    box-sizing: border-box;
    position: absolute;
    content: "";
    background: inherit;
}

.container-items button:hover,
.container-items button:focus {
    background: var(--btn-hover-bg);
    color: var(--hover-btn-color);
}

button:hover span::before,
button:focus span::before {
    animation: chitchat linear both var(--btn-animation-duration);
}

@keyframes chitchat {
    0% {
        content: "#";
    }

    5% {
        content: ".";
    }

    10% {
        content: "^{";
    }

    15% {
        content: "-!";
    }

    20% {
        content: "#$_";
    }

    25% {
        content: "№:0";
    }

    30% {
        content: "#{+.";
    }

    35% {
        content: "@}-?";
    }

    40% {
        content: "?{4@%";
    }

    45% {
        content: "=.,^!";
    }

    50% {
        content: "?2@%";
    }

    55% {
        content: "\;1}]";
    }

    60% {
        content: "?{%:%";
        right: 0;
    }

    65% {
        content: "|{f[4";
        right: 0;
    }

    70% {
        content: "{4%0%";
        right: 0;
    }

    75% {
        content: "'1_0<";
        right: 0;
    }

    80% {
        content: "{0%";
        right: 0;
    }

    85% {
        content: "]>'";
        right: 0;
    }

    90% {
        content: "4";
        right: 0;
    }

    95% {
        content: "2";
        right: 0;
    }

    100% {
        content: "";
        right: 0;
    }
}

.container-answer {
    color: #fff;
}