style.css

body, html {
    height: 100%;
	background-color: rgba(12, 21, 35, 0.4);
}

.card-container.card {
    max-width: 350px;
    padding: 30px 30px;
}

.btn {
    font-weight: 700px;
    height: 36px;
    -moz-user-select: none;
    -webkit-user-select: none;
    user-select: none;
    cursor: default;
}

/*
 * Card component
 */
.card {
    background-color: #F7F7F7;
    /* just in case there no content*/
    padding: 20px 25px 30px;
    margin: 0 auto 25px;
    margin-top: 0px;
    /* shadows and rounded borders */
    -moz-border-radius: 2px;
    -webkit-border-radius: 2px;
    border-radius: 2px;
    -moz-box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
    -webkit-box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 0px 2px 2px rgba(0, 0, 0, 0.3);
}


.profile-img-card {
    width: 100%;
    margin: 0 auto 10px;
    display: block;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    border-radius: 10px;
}

.form-signin #Usuario,
.form-signin #Senha,
.form-signin #Voucher,
.form-signin #inputPassword {
    direction: ltr;
    height: 44px;
    font-size: 16px;
}

.form-signin input[type=password],
.form-signin input[type=text],
.form-signin button {
    width: 100%;
    display: block;
    margin-bottom: 10px;
    z-index: 1;
    position: relative;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.form-signin .form-control:focus {
    border-color: rgb(104, 145, 162);
    outline: 0;
    -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgb(104, 145, 162);
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgb(104, 145, 162);
}

.btn.btn-signin {
    padding: 0px;
    font-weight: 700;
    font-size: 14px;
    height: 36px;
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    border: none;
	cursor: pointer;
}