Bootstrap styling for IDP pages

frontend_src/_custom.scss

@@ -1 +1,61 @@
-@import "~bootstrap/scss/bootstrap";
+@import "~bootstrap/scss/bootstrap";
+
+$dimmed_white: #f5f5f5;
+
+html,
+body {
+  height: 100%;
+  background-color: $dimmed_white;
+}
+
+body.idp {
+  display: -ms-flexbox;
+  display: flex;
+  // -ms-flex-align: center;
+  // align-items: center;
+  padding-top: 40px;
+  padding-bottom: 40px;
+}
+
+.form-signin {
+  max-width: 330px;
+}
+
+.form-consent {
+  max-width: 550px;
+}
+
+.form-signin, .form-consent {
+  width: 100%;
+  padding: 15px;
+  margin-left: auto;
+  margin-right: auto;
+
+  .checkbox {
+    font-weight: 400;
+  }
+
+  .form-control {
+    position: relative;
+    box-sizing: border-box;
+    height: auto;
+    padding: 10px;
+    font-size: 16px;
+  }
+
+  .form-control:focus {
+    z-index: 2;
+  }
+
+  .input[type="email"] {
+    margin-bottom: -1px;
+    border-bottom-right-radius: 0;
+    border-bottom-left-radius: 0;
+  }
+
+  .input[type="password"] {
+    margin-bottom: 10px;
+    border-top-left-radius: 0;
+    border-top-right-radius: 0;
+  }
+}