styles.css

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

header {
    background-color: #7f917d;
    text-align: center;
    height: 100px;
    padding: 30px 0;
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
}



.stage {
    width: 800px;
}

.round-results {
    text-align: center;
    padding: 10px 0;
}

.versus-display {
    display: flex;
    justify-content: space-around;
}    

.round-info {
    text-align: center;
    padding: 10px 0;
}

.selection {
    background-color: white;
    width: 200px;
    height: 200px;
    border: 10px solid black;
    border-radius: 50%;
    box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px, rgba(0, 0, 0, 0.22) 0px 15px 12px;
    text-align: center;
    padding-top: 30px;
}

.player-selection {
    background-color: #00239cff;
}

.computer-selection {
    background-color: #e10600ff;
}

.selection img {
    width: 124px;
}

.player-optns-container {
    margin-top: 50px;
    display: flex;
    width: 500px;
    justify-content: space-evenly;
}

.optn {
    width: 100px; 
    height: 100px;
    border: 5px solid black;
    border-radius: 50%;
    box-shadow: rgba(0, 0, 0, 0.3) 0px 19px 38px, rgba(0, 0, 0, 0.22) 0px 15px 12px;
    text-align: center;
    padding-top: 15px;
    cursor: pointer;
} 

.optn img {
    width: 62px;
}

.optn:hover {
    background-color: #7f917d;
}