* {

    margin: 20px;

}

body {

    background-color: #121212;

}

mark,
b,
strong {

    margin: 0;

}

h1 {

    color: #FFD700;
    text-align: center;
    font-size: 55px;
    text-shadow: 2px 2px 5px red;
    /* Sombra vermelha */

}

h2 {

    color: #FFD700;
    font-size: 35px;
    text-shadow: 2px 2px 5px red;
    /* Sombra vermelha */

}

p,
ol,
h3 {

    font-size: 25px;
    color: #E5E5E5;
    text-align: justify;

}

.borda {

    border: 1px solid red;

}

#p1 {

    display: none
}

.azul {

    background-color: blue;
    font-size: 25px;
    display: block;

}

.vermelha {

    background-color: red;
    font-size: 25px;
    display: block;

}

.verde {

    background-color: green;
    font-size: 25px;
    display: block;

}


span {

    margin: 0px;

}

div {

    width: 33%;
    height: 150px;
    display: inline-block;
    margin: 0px;

}

.blue {

    background-color: blue;
    font-size: 25px;

}

.red {

    background-color: red;
    font-size: 25px;

}

.green {

    background-color: green;
    font-size: 25px;

}

a {

    background-color: #FFD700;
    /* Vermelho escuro vibrante */
    color: black;
    /* Dourado */
    font-size: 25px;
    padding: 30px;
    border: none;
    border-radius: 50px;
    text-transform: uppercase;
    text-decoration: none;
    margin-left: 37.5%;
    box-shadow: 0 0 5px red, 0 0 10px red, 0 0 50px red;
    transition: 1.0s;
}

a:hover {

    background-color: #FFD700;
    /* Vermelho escuro vibrante */
    color: black;
    /* Dourado */
    font-size: 30px;
    padding: 35px;
    border: none;
    border-radius: 60px;
    text-transform: uppercase;
    text-decoration: none;
    margin-left: 36%;
    box-shadow: 0 0 5px red, 0 0 15px red, 0 0 60px red;


}