.main {
    display: block;
    position: relative;
    padding-left: 30px;
    margin-bottom: 10px;
    cursor: pointer;
    font-size: 14px;
    font-weight: normal;
    float: left;
}

.main input[type=checkbox] {
    visibility: hidden;
}

.checkbox-container {
    position: absolute;
    top: 0;
    left: 0;
    height: 25px;
    width: 25px;
    background-color: transparent;
    border: 2px solid #eee;
}

/* Hover effect */
.main:hover input~.checkbox-container {
    background-color: #3ba83b;
}

/* Active effect */
.main input:active~.checkbox-container {
    background-color: transparent;
}

/* Checked effect */
.main input:checked~.checkbox-container {
    background-color: #3ba83b;
}

/* Checkmark */
.checkbox-container::after {
    content: "";
    position: absolute;
    display: none;
    left: 7px;
    top: 3px;
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Display checkmark when checked */
.main input:checked~.checkbox-container::after {
    display: block;
}