diff --git a/src/DatePicker/index.tsx b/src/DatePicker/index.tsx
index 8ac8691..5f6bde0 100644
--- a/src/DatePicker/index.tsx
+++ b/src/DatePicker/index.tsx
@@ -1,4 +1,3 @@
-import 'react-day-picker/lib/style.css';
 import 'moment/locale/de';
 
 import React, { Component, ReactElement } from 'react';
@@ -27,6 +26,230 @@ const Wrapper = styled('div')`
       font-variant-numeric: tabular-nums;
     }
   }
+  /* DayPicker styles */
+
+  .DayPicker {
+    display: inline-block;
+    font-size: 1rem;
+  }
+
+  .DayPicker-wrapper {
+    position: relative;
+
+    flex-direction: row;
+    padding-bottom: 1em;
+
+    -webkit-user-select: none;
+
+    -moz-user-select: none;
+
+    -ms-user-select: none;
+
+    user-select: none;
+  }
+
+  .DayPicker-Months {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
+  }
+
+  .DayPicker-Month {
+    display: table;
+    margin: 0 1em;
+    margin-top: 1em;
+    border-spacing: 0;
+    border-collapse: collapse;
+
+    -webkit-user-select: none;
+
+    -moz-user-select: none;
+
+    -ms-user-select: none;
+
+    user-select: none;
+  }
+
+  .DayPicker-NavBar {
+  }
+
+  .DayPicker-NavButton {
+    position: absolute;
+    top: 1em;
+    right: 1.5em;
+    left: auto;
+
+    display: inline-block;
+    margin-top: 2px;
+    width: 1.25em;
+    height: 1.25em;
+    background-position: center;
+    background-size: 50%;
+    background-repeat: no-repeat;
+    color: #8b9898;
+    cursor: pointer;
+  }
+
+  .DayPicker-NavButton:hover {
+    opacity: 0.8;
+  }
+
+  .DayPicker-NavButton--prev {
+    margin-right: 1.5em;
+    background-image: url('data:image/png;base64,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');
+  }
+
+  .DayPicker-NavButton--next {
+    background-image: url('data:image/png;base64,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');
+  }
+
+  .DayPicker-NavButton--interactionDisabled {
+    display: none;
+  }
+
+  .DayPicker-Caption {
+    display: table-caption;
+    margin-bottom: 0.5em;
+    padding: 0 0.5em;
+    text-align: left;
+  }
+
+  .DayPicker-Caption > div {
+    font-weight: 500;
+    font-size: 1.15em;
+  }
+
+  .DayPicker-Weekdays {
+    display: table-header-group;
+    margin-top: 1em;
+  }
+
+  .DayPicker-WeekdaysRow {
+    display: table-row;
+  }
+
+  .DayPicker-Weekday {
+    display: table-cell;
+    padding: 0.5em;
+    color: #8b9898;
+    text-align: center;
+    font-size: 0.875em;
+  }
+
+  .DayPicker-Weekday abbr[title] {
+    border-bottom: none;
+    text-decoration: none;
+  }
+
+  .DayPicker-Body {
+    display: table-row-group;
+  }
+
+  .DayPicker-Week {
+    display: table-row;
+  }
+
+  .DayPicker-Day {
+    display: table-cell;
+    padding: 0.5em;
+    border-radius: 50%;
+    vertical-align: middle;
+    text-align: center;
+    cursor: pointer;
+  }
+
+  .DayPicker-WeekNumber {
+    display: table-cell;
+    padding: 0.5em;
+    min-width: 1em;
+    border-right: 1px solid #eaecec;
+    color: #8b9898;
+    vertical-align: middle;
+    text-align: right;
+    font-size: 0.75em;
+    cursor: pointer;
+  }
+
+  .DayPicker--interactionDisabled .DayPicker-Day {
+    cursor: default;
+  }
+
+  .DayPicker-Footer {
+    padding-top: 0.5em;
+  }
+
+  .DayPicker-TodayButton {
+    border: none;
+    background-color: transparent;
+    background-image: none;
+    box-shadow: none;
+    color: #4a90e2;
+    font-size: 0.875em;
+    cursor: pointer;
+  }
+
+  /* Default modifiers */
+
+  .DayPicker-Day--today {
+    color: #d0021b;
+    font-weight: 700;
+  }
+
+  .DayPicker-Day--outside {
+    color: #8b9898;
+    cursor: default;
+  }
+
+  .DayPicker-Day--disabled {
+    color: #dce0e0;
+    cursor: default;
+    /* background-color: #eff1f1; */
+  }
+
+  /* Example modifiers */
+
+  .DayPicker-Day--sunday {
+    background-color: #f7f8f8;
+  }
+
+  .DayPicker-Day--sunday:not(.DayPicker-Day--today) {
+    color: #dce0e0;
+  }
+
+  .DayPicker-Day--selected:not(.DayPicker-Day--disabled):not(.DayPicker-Day--outside) {
+    position: relative;
+
+    background-color: #4a90e2;
+    color: #f0f8ff;
+  }
+
+  .DayPicker-Day--selected:not(.DayPicker-Day--disabled):not(.DayPicker-Day--outside):hover {
+    background-color: #51a0fa;
+  }
+
+  .DayPicker:not(.DayPicker--interactionDisabled)
+    .DayPicker-Day:not(.DayPicker-Day--disabled):not(.DayPicker-Day--selected):not(.DayPicker-Day--outside):hover {
+    background-color: #f0f8ff;
+  }
+
+  /* DayPickerInput */
+
+  .DayPickerInput {
+    display: inline-block;
+  }
+
+  .DayPickerInput-OverlayWrapper {
+    position: relative;
+  }
+
+  .DayPickerInput-Overlay {
+    position: absolute;
+    left: 0;
+    z-index: 1;
+
+    background: white;
+    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.15);
+  }
 `;
 
 type Props = {