/*  || Variables */

:root {
    --primary-color: #222;
    --secondary-color: #25aae859;
}

/*  || Reset */

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

/*  || General */

body {
    background-color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 90vh;
}

.main {
    width: 40rem;
    height: 29rem;
    text-align: center;
    background-color: #333;
    color: black;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 2px 2px 2px var(--secondary-color);
}

.main input:first-child {
    margin-bottom: 10px;
}

.back_d {
    position: absolute;
    left: 20px;
    bottom: 20px;
    background-color: #333;
    padding: 10px;
    border-radius: 7px;
    width: 80px;
    text-align: center;
}

.back:hover , .back:visited {
    text-decoration: none;
    color: var(--secondary-color);
    cursor: pointer;
}

button {
    background-color: var(--primary-color);
    margin-top: 12px;
    padding: 7px 15px 7px 15px;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
}

.errorm {
    color: red;
}