Onay Kutusu 3

/* Hide the default checkbox */
.container3 input {
position: absolute;
opacity: 0;
cursor: pointer;
height: 0;
width: 0;
}

.container3 {
border-radius: 9px;
display: block;
position: relative;
cursor: pointer;
font-size: 20px;
user-select: none;
box-shadow: rgba(139, 18, 113, 0.2) 0px 8px 24px;
background-image: linear-gradient(45deg, #f3d5f7, #fbf6e7, #e6fcf5);
}

/* Create a custom checkbox */
.checkmark3 {
border-radius: 9px;
position: relative;
top: 0;
left: 0;
height: 1.3em;
width: 1.3em;
background-color: linear-gradient(45deg, #f8e7fa, #fbf6e7, #e6fcf5);
}

/* Create the checkmark3/indicator (hidden when not checked) */
.checkmark3:after {
content: "";
position: absolute;
display: none;
}

/* Show the checkmark3 when checked */
.container3 input:checked ~ .checkmark3:after {
display: block;
}

/* Style the checkmark3/indicator */
.container3 .checkmark3:after {
left: 0.45em;
top: 0.25em;
width: 0.25em;
height: 0.5em;
border: solid rgb(233, 182, 182);
border-width: 0 0.15em 0.15em 0;
transform: rotate(45deg);
}