<div>
  <div class="box">
    <input id="one" type="checkbox">
    <span class="check"></span>
    <label for="one">Check me.</label>
  </div>
  <div class="box">
    <input id="two" type="checkbox">
    <span class="check"></span>
    <label for="two">Hey! Check me too.</label>
  </div>
</div>

@import url('https://fonts.googleapis.com/css?family=Quicksand:400,700&display=swap');

body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    font-family: 'Quicksand', sans-serif;
    line-height: 1.5;
    font-weight: bold;
}

.box {
    width: 300px;
    margin: 25px 0;
    display: flex;
    align-items: center;
    user-select: none;

    label {
        font-size: 26px;
        color: #4D4D4D;
        position: absolute;
        z-index: 10;
        padding-left: 50px;
        cursor: pointer;
    }

    input {
        opacity: 0;
        visibility: hidden;
        position: absolute;

        &:checked {

            ~ .check {
                border-color: #00EA90;
                box-shadow: 0px 0px 0px 15px #00EA90 inset;

                &::after {
                    opacity: 1;
                    transform: scale(1);
                }
            }
        }
    }

    .check {
        width: 30px;
        height: 30px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        border-radius: 100px;
        background-color: #FFF;
        border: 2px solid #00EA90;
        box-shadow: 0px 0px 0px 0px #00EA90 inset;
        transition: all 0.15s cubic-bezier(0, 1.05, 0.72, 1.07);

        &::after {
            content: '';
            width: 100%;
            height: 100%;
            opacity: 0;
            z-index: 4;
            position: absolute;
            transform: scale(0);
            background-size: 50%;
            background-image: url('https://s6.picofile.com/d/8392306668/bacc888c-bed7-41a9-bf24-f6ff0718f471/checkmark.svg');
            background-repeat: no-repeat;
            background-position: center;
            transition-delay: 0.2s !important;
            transition: all 0.25s cubic-bezier(0, 1.05, 0.72, 1.07);
        }
    }
}