/* Global */
:root {
    --yellow: #ffc600;
    --black: #272727;
    --white: #f8f8f8;
}

html {
    /* border-box box model allows us to add padding and border to our elements without increasing their size */
    box-sizing: border-box;
    color: var(--black);
}

* {
    box-sizing: inherit;
}

body {
    background: var(--white);
    letter-spacing: -1px;
    font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    margin: 0;
    padding: 0;
}

.button_1 {
    background: var(--yellow);
    border: 0;
    padding: 10px 20px;
}

/* Header */
header {
    background: var(--yellow);
    padding-top: 20px;
    padding-bottom: 10px;
}

header>.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header a {
    color: var(--black);
    text-decoration: none;
    font-size: 16px;
}

header ul {
    margin: 0;
    padding: 0;
}

header li {
    display: inline;
    padding: 0 20px;
}

header #branding {
    float: left;
}

header #branding h1 {
    font-size: 45px;
    margin: 0;
}

header nav {
    float: right;
    margin-top: 10px;
}

header a:hover {
    border-style: solid;
    padding: 5px;
    background: var(--white);
}

/* Login */
#login {
    height: 400px;
}

.box {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 40px;
    background: var(--black);
    box-sizing: border-box;
    box-shadow: 0 15px 25px rgba(0, 0, 0, .5);
    border-radius: 10px;
}

.box h2 {
    margin: 0 0 30px;
    padding: 5px;
    color: var(--yellow);
    text-align: center;
}

.box .inputBox {
    position: relative;
}

.box .inputBox input {
    width: 100%;
    padding: 10px 0;
    font-size: 16px;
    color: var(--black);
    letter-spacing: 1px;
    margin-bottom: 30px;
    border: none;
    border-bottom: 1px solid var(--black);
    outline: none;
    background: transparent;
}

.box .inputBox label {
    position: absolute;
    top: 0;
    left: 0;
    padding: 1px 0;
    font-size: 18px;
    color: var(--black);
    pointer-events: none;
    transition: .5s;
}

.box .inputBox input:focus~label,
.box .inputBox input:valid~label {
    top: -18px;
    left: 0;
    color: #03a9f4;
    font-size: 12px;
}

.box input[type="submit"] {
    background: transparent;
    border: none;
    outline: none;
    color: var(--black);
    background: var(--yellow);
    padding: 10px 20px;
    cursor: pointer;
    border-radius: 5px;
}

a.butt {
    background-color: var(--black);
    color: var(--yellow);
    text-decoration: none;
    padding: 10px;
    border-radius: 10px;
    outline: 0px;
    font-size: 20px;
    padding: 10px 175px;
    width: 385px;
}

/* FOOTER */

footer {
    background-color: var(--yellow);
    color: var(--black);
}

#footer>.container {
    margin-left: 100px;
    padding: 40px;
    display: grid;
    grid-template-columns: 145px 250px 250px 200px;
    justify-content: center;
    padding-top: 30px;
}

.copyright {
    font-size: 17px;
    font-weight: bold;
}

/* Media Queries */
@media(max-width: 768px) {

    header #branding,
    header nav,
    header nav li {
        float: none;
        text-align: center;
        width: 100%;
    }

    header {
        padding-bottom: 20px;
    }

    #showcase h1 {
        margin-top: 40px;
    }
}