style.css

body {
    flex-wrap: wrap;
    background-image: url('background.webp');
}

/* Top UI */
.top {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
}

h1 {
    font-size: 40px;
    font-family: 'Source Sans Pro', sans-serif;
}

p {
    font-size: 20px;
    font-family: 'Source Sans Pro', sans-serif;
    width: auto;
}

/* Middle UI */
.interactions {
    display: flex;
    justify-content: center;
}

button {
    border-radius: 25px;
    font-family: 'Source Sans Pro', sans-serif;
    font-weight: bold;
    font-size: 20px;
    padding: 10px;
}

button:hover {
    background-color: lightskyblue;
}

#rock,
#paper,
#scissors {
    margin: auto;
}

#rock {
    color: rgb(253, 253, 253);
    background: rgb(246, 128, 242);
    border: 4px solid rgb(245, 197, 204);
}

#rock:hover {
    background-color: rgb(214, 100, 232);
}

#paper {
    color: rgb(255, 255, 255);
    background: rgb(229, 187, 0);
    border: 4px solid rgb(251, 247, 160);
}

#paper:hover {
    background-color: rgb(205, 153, 50);
}

#scissors {
    color: rgb(201, 222, 239);
    background: rgb(53, 109, 239);
    border: 4px solid rgb(130, 155, 218);
}

#scissors:hover {
    background-color: rgb(44, 91, 185);
}

/* Bottom UI */
.bottom {
    display: flex;
    justify-content: center;
}

.restart {
    display: flex;
    justify-content: center;
}

#restart {
    margin-top: 20px;
    background-color: white;
    border: 4px solid rgb(134, 134, 134);
}

#restart:hover {
    background-color: rgb(185, 185, 185);
}

#results {
    display: flex;
    flex-basis: 425px;
    color: rgb(210, 210, 210);
    background-color: rgba(0, 0, 0, 0.535);
    font-family: 'Source Sans Pro', sans-serif;
    font-weight: 700;
    border: 4px solid brown;
    border-radius: 4px;
    padding: 10px;
}