/* Put your css in here */
body{
    padding-top: 50px;
    max-width: 960px;
    margin: 0 auto;
}

ul.codes-list {
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}

textarea { resize: none; }


.checkbox-container {
    position: relative;
    padding-left: 28px;
    margin: 12px 0 0 12px;
    cursor: pointer;
    user-select: none;
    font-weight: normal;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #eee;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #ccc;
}

.checkbox-container input:checked ~ .checkmark {
    background-color: #2196F3;
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 8px;
    top: 4px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}