style.css

* {
    background-color: black;
    font-family: Helvetica, Arial, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 80px;
}

section>ol>li {
    display: inline-block;
    list-style: none;
}

header>h2 {
    user-select: none;
}

p.container {
    margin-top: 15px;
    user-select: none;
}

#sessaoID {
    display: inline-block;
    text-align: center;
}

#logoID {
    margin: 0px 0px 40px 0px;
}

#listID {
    width: 20%;
    margin: 20px;
}

.CorTitulo {
    margin: 75px;
    font-size: 2em;
    color: white;
}

.container #listID {
    color: gray;
    height: 200px;
}

.container img {
    border-radius: 15px;
    height: 200px;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.container img:hover {
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.952);
    height: 200px;
}

.container img:focus {
    border-radius: 15px;
    border: 2px solid rgba(255, 255, 255, 0.952);
    height: 200px;
}

.container #listID:hover {
    color: white;
    height: 200px;
}

.container #listID:focus {
    color: white;
    height: 200px;
}

.botaoMargens {
    margin-bottom: 40px;
}

.botaoCLASS {
    color: white;
    background-color: black;
    border-radius: 8px;
    padding: 15px 55px 15px 55px;
    margin-top: 90px;
    border: 1px solid rgba(255, 255, 255, 0.637);
}

.botaoCLASS:focus {
    background-color: white;
    color: black;
    transition-duration: 2s;
}

.botaoCLASS:hover {
    background-color: white;
    color: black;
    transition-duration: 0.5s;
}