index.css

body {
    background: linear-gradient(#005082, #00a8cc);
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: white;
}

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

.header__tittle {
    font-size: larger;
}

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

.main_container__card {
    display: flex;
    width: 70%;
    justify-content: space-around;
    align-items: center;
    background-color: rgba(0, 0, 0, .2);
    border: solid 1px white;
    border-radius: 15px;
    padding: 15px;
    padding-top: 25px;
}

.main_container__img {
    margin-top: -30px;
}

.main_container__card--title {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.main_container__card img {
    width: 50px;
}

.main_container__img img {
    width: 80px;
}

.container_options {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 70%;
    padding: 15px;
    border: solid 1px white;
    border-radius: 15px;
    background-color: rgba(0, 0, 0, .2);
}

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

.container_options__option img {
    transition: transform .5s;
    /* Animation */
    width: 60px;
}

.container_options__option :hover {
    transform: scale(1.5);
}

.instructions {
    display: flex;
    justify-content: center;
    height: 35px;
}

button {
    margin: 10px;
    width: 150px;
    background-color: #47c721;
    outline: none;
    border: solid 1px transparent;
    border-radius: 15px;
    color: white;
    transition: transform .5s;
    height: 28px;
}

button:hover {
    transform: scale(1.2);
    color: black;
}

.container_options__button {
    background-color: transparent;
    background-size: cover;
    height: 50px;
    width: 50px;
}

#puntos_usuario {
    margin-top: 2px;
    font-size: 25px;
    font-weight: bolder;
}

#puntos_cpu {
    margin-top: 2px;
    font-size: 25px;
    font-weight: bolder;
}