styles.css

.container {
    padding: 0 200px;
}

.players-wrapper {
    display: flex;
    justify-content: space-between;
}

.playing-side {
    width: 50%;
}

.playing-side h1 {
    text-align: center;
    font-size: 40px;
}

.health-bar {
    width: 500px;
    margin: 0 auto;
    height: 50px;
    border: 2px black solid;
}

.current-health {
    height: calc(100% - 10px);
    background-color: green;
    padding-top: 10px;
    font-size: 20px;
    text-align: center;
    color: white;
}

.common-wrapper {
    margin-top: 20px;
    box-shadow: 0 2px 5px #bbb;
}

.control-buttons {
    height: 70px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.btn {
    text-transform: uppercase;
    padding: 10px;
    border-radius: 5px;
    font-size: 16px;
}
.btn:focus {
    outline: none;
}

#start-game-btn {
    background-color: #a7ffaf;
}

#attack-btn {
    background-color: #f87469;
}

#special-attack-btn {
    background-color: #ffaf4e;
}

#heal-btn {
    background-color: #77fd80;
}

#give-up-btn {
    background-color: #fffdff;
}

ul.log {
    list-style-type: none;
    padding: 30px;
}

.logged-action {
    text-align: center;
    text-transform: uppercase;
    font-weight: 800;
    font-size: 18px;
    margin: 5px 0;
    height: 20px;
}

.player-log {
    color: #150dd7;
    background-color: #e5e6ff;
}

.monster-log {
    color: #751312;
    background-color: #ffbfc1;
}