So eventuell:
	Code:
	[type="checkbox"]+label:before,
[type="checkbox"]:not(.filled-in)+label:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    z-index: 0;
    border-radius: 1px;
    border: 2px solid #d1b155;
    margin-top: 2px;
    transition: 0.2s;
}
[type="checkbox"]:checked+label:before {
    top: -4px;
    left: -5px;
    width: 12px;
    height: 22px;
    border-top: 2px solid transparent;
    border-left: 2px solid transparent;
    border-right: 2px solid #d1b155;
    border-bottom: 2px solid #d1b155;
    transform: rotate(40deg);
    backface-visibility: hidden;
    transform-origin: 100% 100%;
}
[type="checkbox"]:not(:checked),
[type="checkbox"]:checked {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
[type="checkbox"]+label {
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    display: inline-block;
    height: 25px;
    line-height: 25px;
    font-size: 1rem;
    user-select: none;
}
[type="checkbox"]+label:before,
[type="checkbox"]:not(.filled-in)+label:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 18px;
    height: 18px;
    z-index: 0;
    border: 2px solid #d1b155;
    border-radius: 1px;
    margin-top: 2px;
    transition: 0.2s;
}
[type="checkbox"]:not(.filled-in)+label:after {
    border: 0;
    transform: scale(0);
}
[type="checkbox"]:not(:checked):disabled+label:before {
    border: none;
    background-color: rgba(0, 0, 0, 0.42);
}