index.css

:root {
    --bg: linear-gradient(
        45deg,
        blue,
        rgb(255, 145, 0)
    )
}

* {
    margin: 0;
}

body {
    background: var(--bg) no-repeat center center fixed;
    font-family: sans-serif;
    font-weight: 900;
    text-transform: uppercase;
}

.title-container {
    font-size: 3.5rem;

    background: white;
    
    display: block;
    box-shadow: 0 0 1em rgba(0, 0, 0, 0.35);
    width: 71%;
    margin-left: auto; margin-right: auto;
    margin-top: 7vw;
    margin-bottom: 2.5em;
    font-style: italic;
    padding: 0.5em 1.25em;
}
.title {
    background: var(--bg);
    -webkit-background-clip: text; background-clip: text;
    color: transparent;
}

.buttons-container, .container {
    font-size: 2rem;
    background: white;
    
    display: block;
    box-shadow: 0 0 1em rgba(0, 0, 0, 0.35);
    
    width: 60%;
    margin-left: auto; margin-right: auto;
    margin-bottom: 7vw;
    padding: 5% 10%;

    text-align: center;
}
.button {
    font-size: 2rem;
    font-weight: 900;
    text-transform: uppercase;
    
    border: 0;
    margin-top: 0.25em; margin-bottom: 0.25em; 
    margin-left: auto; margin-right: auto;
    padding: 0.5em 1em;
    width: 10em;

    background: var(--bg);
    background-size: 200%;
    background-position: left;

    cursor: pointer;

    transition: background-position 250ms linear;
}

.back-container {
    font-size: 2rem;
    background: white;
    
    display: block;
    box-shadow: 0 0 1em rgba(0, 0, 0, 0.35);
    
    width: 25vw;
    margin-left: auto; margin-right: auto;
    margin-bottom: 3em;
    padding: 1em 1.75em;

    text-align: center;
}

.button:hover,
.button:focus {
    background-position: right;
}

.discord-container {
    font-size: 3rem;
    width: 55vw;
    height: 40vw;
    margin-left: auto; margin-right: auto;
    display: block;
    box-shadow: 0 0 1em rgba(0, 0, 0, 0.35);
    margin-bottom: 3em;
    border-radius: px;
}
.discord-iframe {
    width: 100%;
    height: 100%;
}

.minecraft-container {
    font-size: 2rem;
}