notehub/html/style.css

:root{
--nav-bg: #0D1117;
--table-bg: #0D1117;
--background: #161B22;
--link-hover-bg: #171D24;
--text-color: #ECF6FF;
--link-color: #E1EAF3;
--title-color: #BEC6CD;
--table-border: #BEC6CD;
--graphtheme: 'dark';
}

body {
    background-color: var(--background);
    color: var(--text-color);
    font-family: "Open Sans", sans-serif;
    font-size: 1.2em;
    text-align: center;
    margin: 0;
}
  
h1 {
    margin-top: 160px;
    margin-bottom: 100px;
    font-size: 4em;
}
  
table {
    border: 0;
    margin: 50px auto 50px auto;
    padding: 20px;
    border-radius: 10px;
    background-color: var(--table-bg);
}

.post {
    border-radius: 10px;
    width: 50%;
    margin: 50px auto 50px auto;
    padding: 10px;
    background-color: var(--table-bg);
}

.post-userinfo {
    text-align: left;
    padding: 10px;
}

.post-age {
    opacity: 0.8;
    font-size: 0.7em;
}

.post-content {
    text-align: left;
    padding: 10px;
    opacity: 0.9;
    line-height: 30px;
}

.verified-icon {
    max-width: 20px;
    max-height: 20px;
    margin-left: 2px;
    color: rgb(0, 151, 29);
    user-select: none;
    vertical-align: text-bottom;
    position: relative;
    height: 1.25em;
    fill: currentcolor;
    display: inline-block;
}

table th, table td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid var(--table-border);
    width: 400px;
}
input[type="text"],
input[type="password"] {
    background-color: var(--table-bg);
    color: var(--text-color);
    border: 0;
    border-radius: 5px;
    font-size: 30px;
    outline: none;
    padding: 10px;
    margin: 20px;
}
input[type="submit"] {
    background-color: var(--table-bg);
    color: var(--text-colo2);
    border: 0;
    border-radius: 5px;
    font-size: 20px;
    cursor: pointer;
    outline: none;
    padding: 10px;
    margin: 20px;
}
input[type="submit"]:hover {
    border-bottom: 1px solid var(--table-border);
}
form {
    margin: 0 auto;
    width: 500px;
    display: grid;
    align-items: center;
}
.form_link {
    background-color: var(--table-bg);
    color: var(--text-colo2);
    border: 0;
    padding: 10px;
    margin: 20px;
    border-radius: 5px;
    font-size: 20px;
    cursor: pointer;
    outline: none;
    text-decoration: none;
}
.form_link:hover {
    border-bottom: 1px solid var(--table-border);
}

nav {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    margin: 0;
    padding: 14px;
    z-index: 1000;
    background-color: var(--nav-bg);
}

#notehub-icon {
    height: 30px;
    position: absolute;
    left: 20px;
}

a {
    color: var(--link-color);
}

p {
    margin: 30px;
    background-color: var(--table-bg);
    border-radius: 10px;
    padding: 20px;
}

footer {
    margin: 0;
    margin-top: 500px;
    background-color: var(--nav-bg);
    text-align: left;
    padding: 30px;
}
footer hr {
    margin: 70px 10px 30px 10px;
}

.navlink {
    text-decoration: none;
    font-size: 1.2em;
    color: var(--fg3);
    padding: 10px 14px 10px 14px;
    border-radius: 4px;
    margin: 5px;
}

.navlink:hover {
    border-bottom: 1px solid var(--table-border);
    background-color: var(--link-hover-bg);
}

@media only screen and (max-device-width : 600px) {
    nav {
	    padding: 20px 0 20px 0;
    }
    .navlink {
	    font-size: 1.5em;
	    padding: 20px 15px 20px 15px;
    } 
    form {
        width: 100%;
        margin: 0;
    }
    input[type="text"],
    input[type="password"] {
        font-size: 2em;
        width: 80%;
        margin: 40px;
    }
    input[type="submit"] {
        font-size: 2em;
        width: 250px;
        margin-left: 542px;
        margin-top: 40px;
    }
    footer {
        font-size: 0.5em;
        margin-top: 800px;
    }
    .post {
        width: 70%;
    }
}