body {
    background-image: linear-gradient(to right top, #2f4858, #2f4d5b, #2f515e, #2f5660, #315a61);
    overflow: hidden;
}
.blue-btn {
    background-color: #2F4858;
    border-color: #2F4858;
    color: #fff;
}
.fancy-divider {
    border-bottom: 1px solid #fff;
    width: 80%;
    height: 0;
    margin: 20px auto;
    line-height: .1em;
}
.fancy-divider .mid-icon {
    background-color: transparent;
    padding: 0 5px;
    color: #fff;
}
::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
    color: #fff !important;
    opacity: 1 !important; /* Firefox */
}
  
:-ms-input-placeholder { /* Internet Explorer 10-11 */
    color: #fff !important;
}

::-ms-input-placeholder { /* Microsoft Edge */
    color: #fff !important;
}
.login-wrapper {
    height: 100%;
    background: url('../images/login-back.jpg') no-repeat;
    background-size: cover;
}
.login-wrapper .login-card {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    width: 30%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.login-wrapper .login-card .form-control {
    width: 80%;
    margin: 0 auto;
    background: transparent;
    color: #fff;
    border: none;
    border-bottom: 1px solid #b19670;
    outline: none;
    box-shadow: none;
}
.login-wrapper .login-card .sub-slang {
    font-size: 12px;
    color: #b19670;
}

@media screen and (max-width: 1024px) {
    .login-wrapper .login-card {
        width: 50%;
    }
}
@media screen and (max-width: 768px) {
    .login-wrapper .login-card .main-slang {
        font-size: 12px;
    }
    .login-wrapper .login-card .sub-slang {
        font-size: 11px;
    }
}
@media screen and (max-width: 500px) {
    .login-wrapper .login-card {
        width: 90%;
    }
    .login-wrapper .login-card .main-slang {
        font-size: 11px;
    }
    .login-wrapper .login-card .sub-slang {
        font-size: 9px;
    }
}