* {
    box-sizing: border-box;
}

h1 {
    margin: 0;
}

.debug-image {
    display: none;
    z-index: 1000;
    /*opacity: 0.5;*/
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center;
}

button, .button, input[type=email], input[type=password] {
    width: 100%;
    height: 2.8em;
    border-radius: 0.3em;
    color: #333333;
    font-size: 1.8em;
    border: 1px solid #E0E0E0;
}

button, .button {
    cursor: pointer;
    font-weight: 600;
}

button.mail, .button.mail {
    background: #CA9CF4;
    border-color: #B289D6;
    color: white;
}

button .icon, .button .icon {
    padding-right: 1em;
    margin-right: 0.5em;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

button.mail .icon, .button.mail .icon {
    background-image: url("../img/icons/social/mail.svg");
}

.icon.sign-in {
    background-image: url("../img/icons/actions/sign_in.svg");
}

.icon.access {
    background-image: url("../img/icons/categories/access.svg");
}

.icon.game1 {
    background-image: url("../img/icons/categories/game1.svg");
}

.icon.users {
    background-image: url("../img/icons/navigation/users.svg");
}

.right-icon {
    position: absolute;
    height: 1.8em;
    width: 1.8em;
    top: 1.8em;
    right: 1.5em;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.right-icon.show {
    background-image: url("../img/icons/actions/show.svg");
}

.menu-holder {
    width: 26%;
    font-size: 1.3vh;
    font-family: Helvetica, Arial, sans-serif;
    background-color: #F0F0F0;
    height: 100vh;
    box-shadow: 0 1em 5em 1em rgba(0, 0, 0, 0.2);
}

.menu-holder .logo-holder {
    height: 6em;
    background-image: url("../img/icons/logotypes/mail.svg");
    background-repeat: no-repeat;
    background-position: 5% center;
    background-color: #CA9CF4;
    background-size: 30% 60%;
}

.menu-holder .buttons {
    margin: 8.4em 0 0 0;
    padding: 1em;
    text-align: center;
    list-style: none;
}

.menu-holder .buttons .button {
    margin-bottom: 1.5em;
    padding: 0.75em;
    background-color: #F0F0F0;
    border-color: #D3D3D3;
    box-shadow: 0 0.1em 0 0 rgba(0, 0, 0, 0.1);
}

.menu-holder .buttons .button.active {
    background: #CA9CF4;
    border-color: #B289D6;
    color: white;
}

.menu-holder .about-link {
    color: #045DD1;
    font-size: 1.6em;
    text-decoration: none;
}

.main-holder {
    width: 40.5em;
    position: absolute;
    top: 28%;
    left: 40%;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 1.3vh;
}

.main-holder h1 {
    margin-bottom: 0.5em;
    font-size: 3.5em;
}

.main-holder .field-holder {
    position: relative;
}

.main-holder .field-holder:not(:first-child) {
    margin-top: 2.2em;
}

.main-holder .field-holder.error button {
    border-color: #FF1100;
}

.main-holder .field-holder .error-msg {
    display: none;
    color: #FF1100;
    font-size: 1.3em;
    margin-top: 0.5em;
}

.main-holder .field-holder.error .error-msg {
    display: block;
}

.main-holder button:not(input) {
    width: 13.4em;
    margin-top: -0.3em;
    height: 2.6em;
    font-size: 1.7em;
    padding: 0;
}

.main-holder input {
    height: 2.8em;
    padding: 0 0.7em;
}

@media (max-aspect-ratio:5/4) {
    .menu-holder {
        display: none;
    }

    .main-holder {
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
}

@media (max-aspect-ratio:5/4) and (max-height: 550px) {
    .main-holder {
        font-size: 1.8vh;
    }
}

@media (max-aspect-ratio:5/4) and (max-height: 500px) {
    .main-holder {
        font-size: 1vw;
        top: 0;
        transform: translateX(-50%);
        margin: 5em 0;
    }
}

@media (max-aspect-ratio:5/4) and (max-width: 500px) {
    .main-holder {
        font-size: 2vw;
    }
}