@-webkit-keyframes 
click-wave { 0% {
                 width: 40px;
                 height: 40px;
                 opacity: 0.35;
                 position: relative;
             }
             100% {
                 width: 200px;
                 height: 200px;
                 margin-left: -80px;
                 margin-top: -80px;
                 opacity: 0.0;
             }
}
@-moz-keyframes 
click-wave { 0% {
                 width: 40px;
                 height: 40px;
                 opacity: 0.35;
                 position: relative;
             }
             100% {
                 width: 200px;
                 height: 200px;
                 margin-left: -80px;
                 margin-top: -80px;
                 opacity: 0.0;
             }
}
@-o-keyframes 
click-wave { 0% {
                 width: 40px;
                 height: 40px;
                 opacity: 0.35;
                 position: relative;
             }
             100% {
                 width: 200px;
                 height: 200px;
                 margin-left: -80px;
                 margin-top: -80px;
                 opacity: 0.0;
             }
}
@keyframes 
click-wave { 0% {
                 width: 40px;
                 height: 40px;
                 opacity: 0.35;
                 position: relative;
             }
             100% {
                 width: 200px;
                 height: 200px;
                 margin-left: -80px;
                 margin-top: -80px;
                 opacity: 0.0;
             }
}

.option-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    -o-appearance: none;
    appearance: none;
    position: relative;
    top: 5.33333px;
    width: 20px;
    height: 20px;
    -webkit-transition: all 0.15s ease-out 0;
    -moz-transition: all 0.15s ease-out 0;
    transition: all 0.15s ease-out 0;
    background: #F5F5F5;
    border: none;
    color: #fff;
    cursor: pointer;
    display: inline-block;
    outline: none;
    position: relative;
    margin-right: 0.5rem;
    z-index: 1000;
}

.option-input:hover { background: #EF473A; }

.option-input:checked {background: #EF473A;}

.option-input:checked::before {
    width: 30px;
    height: 30px;
    position: absolute;
    /* content: '\2716'; */
    display: inline-block;
    font-size: 26.66667px;
    text-align: center;
    line-height: 30px;
}

.option-input:checked::after {
/*    -webkit-animation: click-wave 0.15s;
    -moz-animation: click-wave 0.15s;
    animation: click-wave 0.15s;*/
    background: #EF473A;
    content: '';
    display: block;
    position: relative;
    z-index: 100;
}

.option-input.radio {border-radius: 50%;/* color: beige; */}

.option-input.radio::after { border-radius: 50%; }

body label {
    display: block;
    line-height: 30px;
    color: #A5A5A5;
}