 checkbox */
.checkmark {
 position: relative;
 top: 0;
 left: 0;
 height: 1.3em;
 width: 1.3em;
 background-color: #ccc;
 border-radius: 5px;
}

/* When the checkbox is checked, add a blue background */
.container input:checked ~ .checkmark {
 box-shadow: 3px 3px 0px rgb(183, 183, 183);
 transition: all 0.2s;
 opacity: 1;
 background-image: linear-gradient(45deg, rgb(100, 61, 219) 0%, rgb(217, 21, 239) 100%);
}

.container input ~ .checkmark {
 transition: all 0.2s;
 opacity: 1;
 box-shadow: 1px 1px 0px rg