body {
    font-family: Arial, Helvetica, sans-serif;
        background: #AEC09A;
}

.logo {
position: fixed;
    top: 0;
    right: 0;
    margin-top: 0;
}

.button {
    background-color: #1A2902;
    border: none;
    color: white;
    padding: 20px 34px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 20px;
    margin: 4px 2px;
    cursor: pointer;

    z-index: 90;
}

.main-page{
    color: black;
    text-decoration: none;
}

* {
    box-sizing: border-box;
}

.container {
    padding: 16px;
    background-color: white;
}

input[type=email],
input[type=password] {
    width: 100%;
    padding: 15px;
    margin: 5px 0 22px 0;
    display: inline-block;
    border: none;
    background: #f1f1f1;
}
input:invalid {
    background-color: #da5f5f7c;
}

input:valid {
    background-color: #8eca82;
        }

input[type=email]:focus,
input[type=password]:focus {
    background-color: #ddd;
    outline: none;
}

hr {
    border: 1px solid #f1f1f1;
    margin-bottom: 25px;
}

.registerbtn {
    background-color: #4CAF50;
    color: white;
    padding: 16px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
    opacity: 0.9;
}

.registerbtn:hover {
    opacity: 1;
}

a {
    color: dodgerblue;
}

.signin {
    background-color: #f1f1f1;
    text-align: center;
}

.pressbox {
    width: 0;
    height: 0;
    position: fixed;
    overflow: hidden;
    left: 0;
    top: 0;
    z-index: 9999;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
}

.pressbox img {
    opacity: 0;
    padding: 10px;
    background: #ffffff;
    margin-top: 100px;
    box-shadow: 0px 0px 15px #444;
    transition: opacity .25s ease-in-out;
}

.pressbox:target {
    width: auto;
    height: auto;
    bottom: 0;
    right: 0;
}

.pressbox:target img {
    opacity: 1;
}