.button_nih {
    background: #fff url('/public/modules/app/common/images/nihlogin.png')
    10px 1px no-repeat;
    background-size: contain;
    text-indent: 5px;
}

.login_button {
    border: 1px solid #777;
    color: #444555;
    width: 300px;
    padding: 20px 39px;
    margin-right: 8px;
    margin-bottom: 10px;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.08);
    display: inline-block;
    white-space: nowrap;
    line-height: 1em;
    position: relative;
    outline: none;
    overflow: visible;
    cursor: pointer;
    border-radius: 4px;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
    box-shadow: 1px 1px 2px 0 #CCCCCC;
    -moz-box-shadow: 1px 1px 2px 0 #CCCCCC;
    -webkit-box-shadow: 1px 1px 2px 0 #CCCCCC;
    padding-left: 35px;
    padding-right: 15px;
    font-size: 24px;
}

.login_button:hover {
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.25);
    border: none;
    border-top: 1px solid #999;
    border-left: 1px solid #999;
    border-bottom: 1px solid #aaa;
    border-right: 1px solid #aaa;
    color: #333;
    box-shadow: none;
    text-decoration: none;
}