Onay Kutusu 6

.checkbox6 {
-webkit-perspective: 20;
perspective: 20;
top: 50%;
left: 50%;
margin: -12px;
border: 2px solid #e8e8eb;
background: #e8e8eb;
border-radius: 4px;
transform: translate3d(0, 0, 0);
cursor: pointer;
transition: all 0.3s ease;
}

.checkbox6:hover {
border-color: #0b76ef;
}

.flip {
display: block;
transition: all 0.4s ease;
transform-style: preserve-3d;
position: relative;
width: 20px;
height: 20px;
}

#checkbox6 {
display: none;
}

#checkbox6:checked + .checkbox6 {
border-color: #0b76ef;
}

#checkbox6:checked + .flip {
transform: rotateY(180deg);
}

.front,
.back {
backface-visibility: hidden;
position: absolute;
top: 0;
left: 0;
width: 20px;
height: 20px;
border-radius: 2px;
}

.front {
background: #fff;
z-index: 1;
}

.back {
transform: rotateY(180deg);
background: #0b76ef;
text-align: center;
color: #fff;
line-height: 20px;
box-shadow: 0 0 0 1px #0b76ef;
}

.back svg {
margin-top: 3px;
fill: none;
}

.back svg path {
stroke: #fff;
stroke-width: 2.5;
stroke-linecap: round;
stroke-linejoin: round;
}