style.css

body {
    color: white;
    background: linear-gradient(180deg, #21212110, #212121), url('background.png');
    background-repeat: repeat;
    font-family: 'Grandmaster', cursive;
    font-size: 1.75rem;
}

h1,
h2,
h3 {
    margin: auto;
    text-align: center;
    font-size: 4rem;
}

h1 {
    margin-top: 5rem;
}

h2 {
    margin-top: 2rem;
    font-size: 3rem;
}

h3 {
    margin-top: 1rem;
    font-size: 2.5rem;
}

button {
    padding: 0.75rem;
    background-color: #577bfa;
    border: #07309f 6px solid;
    margin: 0.25rem 0;
    color: #fff;
    border-radius: 1rem;
    font-weight: bold;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    font-family: 'Grandmaster', cursive;
}

a {
    color: white;
    text-decoration: none;
    transition: 0.3s;
}

a:hover {
    color: #ffbe31;
}

.link {
    color: #ffbe31 !important;
}

.link:hover {
    color: #ffedc6 !important;
}

.spacer {
    padding: 3rem;
}

.spacer-half {
    padding: 1.5rem;
}

.content-section {
    width: 100%;
    text-align: center;
}

.quack {
    width: 12rem;
    height: 12rem;
    position: absolute;
    right: 6rem;
    top: 6rem;
    animation-duration: 8s;
    animation-name: wobble;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

.info-links {
    list-style-type: none;
    margin: 1rem auto;
    padding: 0;
    text-align: center;
    width: 50%;
}

.list-item {
    text-align: center;
    margin: auto;
}

.item-content {
    border: 3px solid #aaaaaa;
    margin: 1rem auto;
    font-size: 2rem;
    padding: 0.75rem;
}

.schedule {
    margin: auto;
    text-align: left;
    width: 50vw;
}

.schedule ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.schedule li {
    padding: 0.75rem;
    background-image: url('/images/stippling-right.png');
    background-position: right;
    background-size: 50%;
    background-repeat: repeat-y;
    background-color: #6547b6;
    border: #5627bf 6px solid;
    margin: 0.25rem 0;
    color: #fff;
    border-radius: 1rem;
    font-weight: bold;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
}

.schedule h3 {
    font-size: 2rem;
}

.schedule em {
    margin: auto;
    text-align: center;
}

.schedule .time {
    padding-right: 4rem;
}

.schedule .workshop {
    background-color: #b863be;
    color: #000;
    border-color: #a53da3;
}

.schedule .speakers {
    background-color: #67b8f9;
    color: #000;
    border-color: #29d;
}

.schedule .judge {
    background-color: #f8da4a;
    border-color: rgb(141, 121, 6);
    color: black;
}

.split {
    width: 100%;
}

.left {
    text-align: left;
    width: 35%;
    display: inline-block;
    vertical-align: top;
    margin-right: 3rem;
}

.right {
    text-align: right;
    width: 35%;
    display: inline-block;
    vertical-align: top;
    margin-left: 3rem;
}

.subsection-title {
    font-size: 1.3em;
    color: #ffbe31;
}

/* Style the button that is used to open and close the collapsible content */
.collapsible {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
  }
  
/* Add a background color to the button if it is clicked on (add the .active class with JS), and when you move the mouse over it (hover) */
.active, .collapsible:hover {
background-color: rgb(140, 187, 224);
}

/* Style the collapsible content. Note: hidden by default */
.content {
padding: 0 18px;
display: none;
border-radius: 1rem;
overflow: hidden;
background-color: #67b8f9;
font-size: 18px;
border-color: #29d;
}

@keyframes wobble {
    0% {
        transform: rotate(0deg);
        right: 110px;
        top: 100px;
    }
    20% {
        transform: rotate(10deg);
        right: 101px;
        top: 95px;
    }
    40% {
        transform: rotate(-5deg);
        right: 105px;
        top: 102px;
    }
    60% {
        transform: rotate(15deg);
        right: 97px;
        top: 110px;
    }
    80% {
        transform: rotate(-10deg);
        right: 106px;
        top: 105px;
    }
    100% {
        transform: rotate(0deg);
        right: 110px;
        top: 100px;
    }
}

@media only screen and (max-width: 1200px) {
    .quack {
        display: none;
    }
    .schedule, .info-links {
        width: 70%;
    }
    .left, .right {
        text-align: center;
        width: 90%;
        margin: 0;
        padding: 0 1rem;
    }
}

@media only screen and (max-width: 800px) {
    .schedule, .info-links {
        width: 95%;
    }
    html {
        font-size: 14px;
    }
    .schedule .time {
        padding-right: 2rem;
    }
}