* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    /* background-color: #16191e; */
    background-color: #090813;
    color: #ffffff;
    min-height: 100vh;
    background-image: radial-gradient(circle at 50% 0%,
            rgba(128, 130, 240, 0.12) 0%,
            rgba(0, 0, 0, 0) 50%);
}

main {
    background-color: #2f2f2f37;
    border: 2px solid #29292933;
    max-width: 500px;
    padding: 32px;
    margin: 0 10px;
    border-radius: 20px;
    flex-grow: 1;

}

input[type="email"], input[type="password"], select {
    background-color: #3a3a3ab1;
    border: 2px solid #3a3a3ac1;
    color: white;
    padding: 6px;
    border-radius: 20px;
    margin-bottom: 10px;
    display: block;
    width: 100%;
    font-size: 18px;
}

button[type="submit"] {
    color: #fafafa;
    background-color: #3a3a3ab1;
    border: 2px solid #3a3a3ac1;
    padding: 8px 16px;
    border-radius: 24px;
    text-decoration: none;
    font-size: 18px;
    transition-duration: 250ms;
    cursor: pointer;
}

form button[type="submit"]:hover {
    background-color: #3d4739b1;
    border: 2px solid #373a37c1;
}

h1, h2 {
    text-align: center;
}

a {
    color: #0084ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    padding: 20px;
    text-align: center;
    background-color: black;
}

footer h2 {
    opacity: 1;
}

footer .link-container a {
    padding: 0 5px;
}

label {
    display: block;
    margin-bottom: 3px;
    opacity: 0.7;
    margin-left: 5px;
}

#backbtn {
    position: absolute;
    color: #fafafa;
    opacity: 0.7;
    text-decoration: none;
}

li {
    margin-left: 25px;
    margin: 3px 0 3px 25px;
}

.alert {
    padding: 10px;
}

.alert.alert-danger {
    background-color: #df3c3c7c;
    border: 2px solid #e4333380;
    border-radius: 20px;
}

.alert.alert-danger > p {
    font-size: 1.1rem;
}

summary {
    cursor: pointer;
}

@media only screen and (max-width: 768px) {
    main {
        padding: 15px;
    }
}