html {
    height: 100%;

}
body {
    height: 100%;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-rows: 1fr 1fr 5fr 5fr;
}

nav {
    background: #f1f1f1;
    margin: 8px;
}

nav ul {
    list-style: none;
    float: right;
    margin-right: 10px;
}

nav li {
    display: inline-block;
    margin-right: 10px;

}

a {
    color: rgba(0 ,0 ,0 ,0.87);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

#logo {
    float: left;
    width: 30%;
}


#tittle {
    color: #d93025;
    font-size: 20px;
    margin: 25px 35px;
}

#form {
    font-size: 20px;
    margin: 25px 50px;
}
#form form div {
    margin: 20px 20px 20px 0;
}
#form form div label {
    display: inline-block;
    width: 15%;
}
#form form div input {
    width: 40%;
    height: 30px;
}

#form form div span {
    color: rgba(0, 0, 0, 0.89);
    font-size: 14px;
}

input[type="submit"] {
    float: right;
    margin-right: 45%;
    box-shadow: none;
    background-color: #4d90fe;
    line-height: 100%;
    height: 30px;
    border: 1px solid #3079ed;
    color: #fff;
    border-radius: 2px;
}

input[type="submit"]:hover {
    background: #4285f4;
}

.line {
    margin: 18px 0;
    clear: both;
    border-top: 1px solid #ebebeb;
}