.login,body{background-color:#f5f5f5}.login{display:-ms-flexbox;display:-webkit-box;display:flex;-ms-flex-align:center;-ms-flex-pack:center;-webkit-box-align:center;align-items:center;-webkit-box-pack:center;justify-content:center;padding-top:40px;padding-bottom:40px}.form-login{width:100%;max-width:330px;padding:15px;margin:0 auto}.header-class{color:#f5f5f5;background-color:#343a40}.form-login .form-control{position:relative;box-sizing:border-box;height:auto;padding:10px;font-size:16px}.form-login .form-control:focus{z-index:2}.input-group>.input-group-prepend{flex:0 0 30%}.input-group .input-group-text{width:100%}