.btn-u.btn-block {
    text-align: center;
}

.btn-u {
    border: 0;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    font-weight: 400;
    padding: 6px 13px;
    position: relative;
    background: #72c02c;
    white-space: nowrap;
    display: inline-block;
    text-decoration: none;
}

.btn-block {
    display: block;
    width: 100%;
}

.form-control {
    box-shadow: none;
    border-radius: 0;
}

.form-control {
    display: block;
    width: 100%;
    height: 34px;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ccc;
    border-radius: 4px;
    -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
    -webkit-transition: border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;
    -o-transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
    transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
}

.margin-bottom-20 {
    margin-bottom: 20px;
    clear: both;
}

.error {
    color: red;
}

.vcenter {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
a.btn-u{
    color:white;text-decoration:none;
}
a.btn-u:hover{
    color:white;text-decoration:none;
}