.checkbox input{
    width: 0;
}

.open-checkbox{
    height: 40px;
    background-color: #AC00D5;
    color: #fff;
    font-weight: bold;
}
.open-checkbox:focus{
    color: #fff;
}
.open-checkbox:hover{
    background-color: #550168;
    color: #fff;
}