body {
    overflow: auto;
    position: relative;
}
body:before {
    content:'';
    background: url(http://sanctuaryphiladelphia.org/wp-content/uploads/2016/02/Silver-Blur-Background-e1455576248201.jpg) center;
    background-size:cover;
    height: 100%;
/*     -webkit-filter: blur(1px);
    -o-filter: blur(1px);
    -moz-filter: blur(1px);
    filter: blur(1px); */
    position: fixed;
    left: 0;
    right: 0;
    z-index: -1;
    display: block;
}

.center-box {
    width: calc(100% - 100px);
    max-width: 400px;
    background: #fff;
    padding: 30px;
    margin: 0 auto;
    margin-top: 150px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}
.logo-box {
    margin: 50px;
}
.logo-box img {
    width: 100%;
    max-width: 400px;
}
.login-content {
    width: 100%;
    padding-top: 50px;
    border-top: 1px solid silver;
}
.input {
    display: grid;
    margin-bottom: 30px;
}
input {
    padding: 10px;
    border: 1px solid #ebe9e9;
    width: calc(100% - 20px);
    border-radius: 5px;
}
label {
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: 0.8rem;
    padding-bottom: 10px;
}

#login-screen button {
    width: 100%;
    max-width: 300px;
    padding: 10px;
    background: #ffde11;
    border-radius: 5px;
    border: none;
    color: #0071bc;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: 0.8rem;
}
#login-screen button:hover{
    background: #0071bc;
    color: #ffde11;
}
@media screen and (max-width: 640px){
    .logo-box {
        margin: 10px 0px;
    }
    .login-content{
        padding-top: 30px;
    }
}