nav.css

body {
    /*font: 13px/20px 'Lucida Grande', Tahoma, Verdana, sans-serif;
      color: #404040; */
    height:964px;
    background: #0ca3d2;
    background-image:url(loginbg.jpg);
    background-repeat:no-repeat;
    background-size:cover;
}



*, *:before, *:after {
    box-sizing: border-box;
}

.btngroup {
    float:right;
    font-size: 0;
    line-height: 1;
    white-space: nowrap;
    display: inline;
}
.btngroup--btn {
    font-size: 1rem;
    letter-spacing: .1em;
    text-decoration: none;
    text-transform: uppercase;
    background: transparent;
    border: 2px solid #7f8c8d;
    border-left-width: 0;
    display: inline-block;
    padding: .5em 1.25em;
    outline: 0;
}
.btngroup--btn:first-child {
    border-left-width: 2px;
    border-radius: 2em 0 0 2em;
}
.btngroup--btn:last-child {
    border-radius: 0 2em 2em 0;
}
.btngroup--btn:link {
    color: #bdc3c7;
}
.btngroup--btn:visted {
    color: #bdc3c7;
}
.btngroup--btn:hover {
    background: #34495e;
    color: #fff;
}
.btngroup--btn:active {
    background: #1881ba;
    color: #34495e;
}