.fontfamily {
    font-family:'Palatino Linotype';
}

/* RESET CSS */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, img, ins, kbd, q, s, samp,
small, strike, sub, sup, tt, var,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend, input, select, textarea, button,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
    display: block;
}

.clear{
          clear: both;
}
/* RESET CSS */

body{
    height: 100vh;
    background-color: #ccc;
    background-image: url('back2.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    font-family: 'Palatino Linotype';
    font-size: 16px;
}

.menu{
    height: 50px;
    background-color: #fff;
}

.menu img{
    height: 50px;
    background-color: #fff;
    margin-left: 5%;
}

.cont_form{
    height: calc(100% - 50px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
}

.cont_form > .form{
    width: 450px;
    max-width: 450px;
    background-color: #FFFFFF;
    box-sizing: border-box;
    border-radius: 5px;
}

.cont_form > .form > .form_header{
    padding: 15px;
    background-color: #181E28;
}

.cont_form > .form > .form_header h3{
    font-size: 23px;
    color: #fff;
}

.cont_form > .form form{
    display: flex;
    flex-direction: column;
    padding: 15px;
}

.cont_form > .form form label{
    display: block;
}

.cont_form > .form form input[type=text],
.cont_form > .form form input[type=password]
{
    height: 35px;
    outline: none;
    border-bottom: 3px solid #181E28;
    font-size: 13px;
    margin-bottom: 18px;
    padding: 5px;
    box-sizing: border-box;
}

.cont_form > .form form input[type=submit]{
    background-color: #181E28;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    transition: 1s all;
    padding: 7px 0;
}

.cont_form > .form form input[type=submit]:hover{
    background-color: #404a5a;
}

.cont_form > .form strong.message{
    color: #e11c25;
    font-size: 14px;
    margin: 15px;
}

a:hover {
   cursor: pointer;
   background-color: yellow;
}