@bgColor: linear-gradient(#567, #345);

::backdrop {
    background: #000D;
}

dialog:not(#DIALOG):not(#dialogModeloCertificado) {
    width: 500px;
    padding: 0;
    margin: auto;
    border: none;
    transform: translateY(-100vh);
    outline: none;
    border-radius: 3px;
    animation: dialog forwards .7s;
    * {
        font-family: arial;
    }
    .dialogHeader {
        padding: 11px 25px 9px 25px;
        font-size: 14px;
        text-transform: uppercase;
        color: #FFF;
        background: @bgColor;
    }
    .dialogContent {
        padding: 30px 25px;
        font-size: 15px;
        opacity: 70%;
        textarea {
            border: 1px solid #1234;
        }
    }
    .dialogFooter {
        text-align: right;
        padding: 0 30px 10px 0;
        font-size: 14px;
        input {
            outline: none;
            border: none;
            padding: 8px 40px;
            border-radius: 3px;
            cursor: pointer;
            color: #FFF;
            background: @bgColor;
            max-width: 120px;
            &:hover {
                opacity: 80%;
            }
        }
    }
}
@keyframes dialog {
    0% { transform: translateY(-100vh); }
    100% { transform: translateY(-1vh); }
}

#DIALOG {
    width: 500px;
    margin: auto;
    border: none;
    font-size: 15px;
    top: -200vh;
    outline: none;
    animation: showDIALOG forwards 1s;
    #DIALOG-HEADER {
        background: #1236;
        padding: 12px 20px;
    }
    #DIALOG-MESSAGE {
        padding: 20px 20px;
        font-size: .85em;
        white-space: pre-line;
        opacity: 80%;
    }
    #DIALOG-FOOTER {
        padding: 10px 20px;
        a {
            background: linear-gradient(#1234, #1236);
            display: block;
            width: 200px;
            padding: 7px;
            text-align: center;
            margin: 0 0 0 auto;
            border-radius: 3px;
            cursor: pointer;
            font-size: .9em;
            &:hover {
                opacity: 80%;
            }
        }
    }
    @keyframes showDIALOG {
        0% { top: -200vh; }
        100% { top: -10vh; }
    }
}