argos/dmp-frontend/src/assets/scss/core/_checkboxes.scss

.form-check {
  margin-bottom: .5rem;
  padding-left: 0;

    .form-check-label {
        cursor: pointer;
        padding-left: 0; // Reset for Bootstrap rule
        // color: $mdb-checkbox-label-color;
        @include mdb-label-color-toggle-focus();
    }

  // Hide native checkbox
    .form-check-input {
        opacity: 0;
        position: absolute;
        margin: 0;
        z-index: -1;
        width: 0;
        height: 0;
        overflow: hidden;
        left: 0;
        pointer-events: none;
    }

    .form-check-sign {
        vertical-align: middle;
        position: relative;
        top: -2px;
        float: left;
        padding-right: 10px;
        display: inline-block;

        &:before {
            display: block;
            position: absolute;
            left: 0;
            content: "";
            background-color: rgba(0,0,0,.84);
            height: $mdb-checkbox-size;
            width: $mdb-checkbox-size;
            border-radius: 100%;
            z-index: 1;
            opacity: 0;
            margin: 0;
            top: 0;
            @include transform-scale3d(unquote('2.3,2.3,1'));
        }

        .check {
            position: relative;
            display: inline-block;
            width: $mdb-checkbox-size;
            height: $mdb-checkbox-size;
            border: 1px solid $mdb-checkbox-border-color;
            overflow: hidden;
            z-index: 1;
            border-radius: $border-radius-base;

            &:before {
                position: absolute;
                content: "";
                transform: rotate(45deg);
                display: block;
                margin-top: -3px;
                margin-left: 7px;
                width: 0;
                color: $white-color;
                height: 0;
                box-shadow:
                0 0 0 0,
                0 0 0 0,
                0 0 0 0,
                0 0 0 0,
                0 0 0 0,
                0 0 0 0,
                0 0 0 0 inset;
                @include animation(checkbox-off $mdb-checkbox-animation-check forwards);
            }
        }

    }

    .form-check-input{

        &:focus + .form-check-sign .check:after {
            opacity: 0.2;
        }

        &:checked {
            & + .form-check-sign .check {
                background: $mdb-checkbox-checked-color;
            }

            & + .form-check-sign .check:before {
                color: #FFFFFF;
                box-shadow: 0 0 0 10px,
                            10px -10px 0 10px,
                            32px 0 0 20px,
                            0px 32px 0 20px,
                            -5px 5px 0 10px,
                            20px -12px 0 11px;
                @include animation(checkbox-on $mdb-checkbox-animation-check forwards);
            }

            & + .form-check-sign:before {
            @include animation(rippleOn $mdb-checkbox-animation-ripple);
            }

            & + .form-check-sign .check:after {
            //background-color: $brand-success; // FIXME: seems like tho wrong color, test and make sure it can be removed
            @include animation(rippleOn $mdb-checkbox-animation-ripple forwards);
            }
        }

        &:not(:checked) {
          & + .form-check-sign:before {
            @include animation(rippleOff $mdb-checkbox-animation-ripple);
          }

          & + .form-check-sign .check:after {
            @include animation(rippleOff $mdb-checkbox-animation-ripple); // Ripple effect on uncheck

          }
        }
  }
.rtl {
  .form-check {
    .form-check-sign {
      .check::before{
        margin-right: 10px;
      }
    }
  }
}

  // Style for disabled inputs
  fieldset[disabled] &,
  fieldset[disabled] & .form-check-input,
  .form-check-input[disabled] ~ .form-check-sign .check,
  .form-check-input[disabled] + .circle {
    opacity: 0.5;
  }

  .form-check-input[disabled] ~ .form-check-sign .check{
      border-color: #000000;
      opacity: .26;
  }

  .form-check-input[disabled] + .form-check-sign .check:after {
    background-color: $mdb-text-color-primary;
    transform: rotate(-45deg);
  }

  .form-check-input[disabled][checked] + .form-check-sign .check{
      background-color: $black;
  }
}

@keyframes checkbox-on {
  0% {
    box-shadow:
      0 0 0 10px,
      10px -10px 0 10px,
      32px 0 0 20px,
      0px 32px 0 20px,
      -5px 5px 0 10px,
      15px 2px 0 11px;
  }
  50% {
    box-shadow:
      0 0 0 10px,
      10px -10px 0 10px,
      32px 0 0 20px,
      0px 32px 0 20px,
      -5px 5px 0 10px,
      20px 2px 0 11px;
  }
  100% {
    box-shadow:
      0 0 0 10px,
      10px -10px 0 10px,
      32px 0 0 20px,
      0px 32px 0 20px,
      -5px 5px 0 10px,
      20px -12px 0 11px;
  }
}

@keyframes rippleOn {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0.2;
  }
  100% {
    opacity: 0;
  }
}
@keyframes rippleOff {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0.2;
  }
  100% {
    opacity: 0;
  }
}