diff --git a/2020/02/switch.css b/2020/02/switch.css
new file mode 100644
index 0000000..b5396c6
--- /dev/null
+++ b/2020/02/switch.css
@@ -0,0 +1,60 @@
+.switch {
+    display: inline-block;
+    height: 30px;
+    position: relative;
+    width: 56px;
+}
+
+.switch > input {
+    height: 0px;
+    opacity: 0;
+    width: 0px;
+}
+
+.switch > .switch-slider {
+    -webkit-transition: .4s;
+    background-color: #ccc;
+    border-radius: 30px;
+    bottom: 0;
+    cursor: pointer;
+    left: 0;
+    position: absolute;
+    right: 0;
+    top: 0;
+    transition: .4s;
+}
+
+.switch > .switch-slider:before {
+    -webkit-transition: .4s;
+    background-color: white;
+    border-radius: 50%;
+    bottom: 4px;
+    content: "";
+    height: 22px;
+    left: 4px;
+    position: absolute;
+    transition: .4s;
+    width: 22px;
+}
+
+.switch > input:checked + .switch-slider:before {   -ms-transform: translateX(26px); -webkit-transform: translateX(26px); transform: translateX(26px); }
+
+.switch.switch-off-primary > input + .switch-slider { background-color: #2196F3; }
+.switch.switch-off-success > input + .switch-slider { background-color: #5cb85c; }
+.switch.switch-off-info > input + .switch-slider    { background-color: #5bc0de; }
+.switch.switch-off-warning > input + .switch-slider { background-color: #f0ad4e; }
+.switch.switch-off-danger > input + .switch-slider  { background-color: #d9534f; }
+.switch.switch-off-muted > input + .switch-slider   { background-color: #555555; }
+
+.switch.switch-primary > input:checked + .switch-slider { background-color: #2196F3; box-shadow: 0 0 5px #2196F3; }
+.switch.switch-success > input:checked + .switch-slider { background-color: #5cb85c; box-shadow: 0 0 5px #5cb85c; }
+.switch.switch-info > input:checked + .switch-slider    { background-color: #5bc0de; box-shadow: 0 0 5px #5bc0de; }
+.switch.switch-warning > input:checked + .switch-slider { background-color: #f0ad4e; box-shadow: 0 0 5px #f0ad4e; }
+.switch.switch-danger > input:checked + .switch-slider  { background-color: #d9534f; box-shadow: 0 0 5px #d9534f; }
+.switch.switch-muted > input:checked + .switch-slider   { background-color: #555555; box-shadow: 0 0 5px #555555; }
+
+.switch-label, .label-switch {
+    float: left;
+    font-weight: bold;
+    padding-top: 5px;
+}
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