.bav.signin {
    background-color: black;
    height: 100vh;
    padding-top: 30px;
}
.bav.signin .logo {
    display: block;
    margin: auto;
    width: 60px;
}
.bav.signin .fields {
    height: 180px;
    background-image: url('/images/backgrounds/bav/bg.png');
    background-repeat: no-repeat;
    background-size: 100%
}

.bav.signin .submit button {
    display: block;
    margin: auto;
    background-color: black;
}
.bav.signin .submit button:focus, .bav.signin .submit button:hover {
    background-color: #0079A6;
}

@media (min-width: 680px) {
    .bav.signin {
        padding-top: 150px;
    }
    .bav.signin form {
        margin-top: -60px;
    }
    .bav.signin .fields .field {
        position: relative;
        float: left;
        width: 20%;
        margin-top: 10%;
    }

    .bav.signin .fields .field.one {
        margin-left: 27%;
    }

    .bav.signin .fields .field.two {
        margin-left: 6.3%;
    }

    .bav.signin .fields .field input {
        text-align: center;
        background: none;
        border: none;
        color: #ABABAB;
        font-size: 1.1em;
    }
}

@media (max-width: 680px) {
    .bav.signin .field.one {
        margin: 25% 10px 10px;
    }
    .bav.signin .field.two {
        margin: 0 10px 10px;
    }
    .bav.signin .submit button {
        margin-top: 12%;
    }
}