body {
    background: url(/static/img/backLogin.png) no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

.btn-primary {
    color: #fff;
    background-color: #337ab7;
    border-color: #2e6da4;
    border: 1px solid transparent;
}

    .btn-primary.active, .btn-primary:active, .open > .dropdown-toggle.btn-primary {
        color: #fff;
        background-color: #286090;
        background-image: none;
        border-color: #204d74;
    }

.btn-group-sm > .btn, .btn-sm {
    font-size: 12px;
    line-height: 1.5;
}

img {
    vertical-align: middle;
}
.btn {
    padding: 10px 60px;
    border-radius: 50px;
    margin-top: 3%;
}
.main {
    margin: 12% auto;
}