:root {
    --green-4: #64A64A;
    --green-3: #7BB661;
    --green-2: #B8DFA8;
    --green-1: #CDE7C9;
    --green-0: #F0F8EF;
    --black: #222318;
    --white: #FAFCF7;
    --yellow: #E9BD43;
}

html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
    font-family: 'PT Sans Caption',"Helvetica Neue", Arial, Helvetica, Geneva, sans-serif;
    font-size: 3vh;
}

#header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
    background-color: var(--green-4);
    border-bottom: 2px solid var(--green-2);
}

#home, #login {
  text-decoration: none;
  color: var(--green-0);
  font-weight: bold;
  padding: 0 1em;
}
   
.hero {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    box-sizing: border-box;
    background-color: var(--green-0);
    background-size: cover;
}

main {
    font-size: 2.5vh;
    margin: 0;
    padding: 1em 2em;
    color: var(--black);
}

blockquote {
    border-radius: 3px;
    position: relative;
    font-style: italic;
    text-align: center;
    padding: 1rem 1.2rem;
    width: 80%;
    margin: 2rem auto 4rem;
    background-color: var(--green-2);
}

#hero-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 85px;
    background-color: var(--green-4);
    border-top: 2px solid var(--green-2);
}

#logo {
    text-decoration: none;
    color: var(--green-0);
    font-size: 5vh;
    font-weight: bold;
    padding: 0 1em;
}

nav {
    padding: 0 1em;
}

.button {
    padding: .5em .67em;
    color: var(--green-0);
    text-decoration: none;
    border: .1em solid var(--green-0)

}
    
.button-primary {
    color: black;
    background-color: var(--green-0);
}

header a:hover, footer a:hover {
    transform: scale(1.1);
}

nav a:hover {
    background-color: var(--yellow);
}

@media only screen and (max-width: 700px) {
    #logo { 
        font-size: 3vh; 
    }

    .button {
        font-size: 2vh;
    }
}

.fade-out {
    animation: fadeOut 1s linear 2s forwards;
}

@keyframes fadeOut {
    0% { opacity:1; }
    100% { opacity:0; height: 0; padding: 0; }
}