* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

html {
    /*variáveis*/
    --bg-color: #EDF2FF;
    --text-color: #00082F;
    --primary-color: #f62727;
    --primary-color-dark: #364FC7;
}

body.dark-blue {
    --bg-color: #000000;
    --text-color: #FFFFFF;
}

body.dark-pink {
    --bg-color: #FFF0F6;
    --text-color: #1F000B;
    --primary-color: #D6336C;
    --primary-color-dark: #A61E4D;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Roboto', sans-serif;
}

#particles-js{
    width: 100%;
    height: 100vh;
}

h1 {
    font-size: 32px;
    margin-top: 24px;
    margin-bottom: 8px;
    color: white;
}

.container {
    position: absolute;
    z-index: 10;
    width: 500px;
    height: 670px;
    background: rgb(27, 26, 26);
    opacity: 0.9;
    top: 550px;
    left: 50%;
    margin: -500px 0 0 -250px;
    padding: 20px;
    border-radius: 4px;
    box-sizing: border-box;
    z-index: 100;
}

img {
    
    width: 100%;
}

img.avatar {
    margin-left: 28%;
    border-radius: 60%;
    width: 200px;
    height: 200px;
    padding: 3.7px;
    border: var(--primary-color) solid 4px;
}

h1 {
    text-align: center;
    font-size: 32px;
    margin-top: 24px;
    margin-bottom: 8px; 
}

.username {
    font-family: 'Roboto Mono', monospace;
    text-align: center;
    opacity: 0.8;
    font-size: 18px;
}

ul {
    list-style: none;
    margin: 48px 0;
}

ul li a {
    height: 53px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    text-transform: uppercase;
    font-size: 14px;
    margin-bottom: 20px;
    border-radius: 6px;
    transition: background 400ms;
}

/*pseudo-class*/
ul li a:hover {
    background-color: var(--primary-color-dark);
}