Onay Kutusu 4

/* Hide the default checkbox */
.container4 input {
position: absolute;
opacity: 0;
cursor: pointer;
height: 0;
width: 0;
}

.container4 {
display: block;
position: relative;
cursor: pointer;
font-size: 20px;
user-select: none;
}

/* Create a custom checkbox */
.checkmark4 {
position: relative;
top: 0;
left: 0;
height: 1.3em;
width: 1.3em;
background: #606062;
border-radius: 7px;
box-shadow: 0px 0px 1px rgba(0, 0, 0, 0.30), 0px 1px 1px rgba(0,5);
}

/* When the checkbox is checked, add a blue background */
.container4 input:checked ~ .checkmark4 {
background-image: linear-gradient(#255CD2,#1D52C1)
}

/* Create the checkmark4/indicator (hidden when not checked) */
.checkmark4:after {
content: "";
position: absolute;
display: none;
}

/* Show the checkmark4 when checked */
.container4 input:checked ~ .checkmark4:after {
display: block;
}

/* Style the checkmark4/indicator */
.container4 .checkmark4:after {
left: 0.45em;
top: 0.20em;
width: 0.24em;
height: 0.6em;
border: solid white;
border-width: 0 0.15em 0.15em 0;
transform: rotate(45deg);
}