.checkem-wrapper {
    display: inline-block;
    position: relative;
    background: #FFF;
    border: 1px solid rgba(0,0,0,0.2);
    width: 20px;
    height: 20px;
    margin: 0;
    font-style: normal;
    font-weight: normal;
    line-height: 1;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    overflow: hidden;
    -webkit-user-select: none; /* webkit (safari, chrome) browsers */
    -moz-user-select: none; /* mozilla browsers */
    -khtml-user-select: none; /* webkit (konqueror) browsers */
    -ms-user-select: none; /* IE10+ */
}
.checkem-wrapper.checkem-square {
    border-radius: 0;
}
.checkem-wrapper.checkem-circle {
    border-radius: 100%;
}
.checkem-wrapper .checkem-input {
    position: absolute;
    left: -10000px;
}
.checkem-wrapper .checkem-input + .checkem-inner {
    display: inline-block;
    visibility: hidden;
    top: 0;
    margin: 0;
    vertical-align: middle;
}
.checkem-wrapper .checkem-input + .checkem-inner.checkem-check {
    position: absolute;
    background: #5d5d5d;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
}
.checkem-wrapper.checkem-circle .checkem-input + .checkem-inner.checkem-check {
    border-radius: 100%;
}
.checkem-wrapper .checkem-input:checked + .checkem-inner {
    visibility: visible;
}