.btn:hover {
    border: thin  #fff solid;
}
.chiller_cb span:before, .chiller_cb span:after {
    content: "";
    display: inline-block;
    background: #fff;
    width: 0;
    height: 0.2rem;
    position: absolute;
    transform-origin: 0% 0%;
}
.chiller_cb {
    position: relative;
    height: 2rem;
    display: flex;
    align-items: center;
}
.chiller_cb input {
    display: none;
}
.chiller_cb input:checked ~ span {
    background: #fd2727;
    border-color: #fd2727;
}
.chiller_cb input:checked ~ span:before {
    width: 1rem;
    height: 0.15rem;
    transition: width 0.1s;
    transition-delay: 0.3s;
}
.chiller_cb input:checked ~ span:after {
    width: 0.4rem;
    height: 0.15rem;
    transition: width 0.1s;
    transition-delay: 0.2s;
}
.chiller_cb input:disabled ~ span {
    background: #ececec;
    border-color: #dcdcdc;
}
.chiller_cb input:disabled ~ label {
    color: #dcdcdc;
}
.chiller_cb input:disabled ~ label:hover {
    cursor: default;
}
.chiller_cb label {
    padding-left: 2rem;
    position: relative;
    z-index: 2;
    cursor: pointer;
    margin-bottom:0;
}
.chiller_cb span {
    display: inline-block;
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid #ccc;
    position: absolute;
    left: 0;
    transition: all 0.2s;
    z-index: 1;
    box-sizing: content-box;
}
.chiller_cb span:before {
    transform: rotate(-55deg);
    top: 1rem;
    left: 0.37rem;
}
.chiller_cb span:after {
    transform: rotate(35deg);
    bottom: 0.35rem;
    left: 0.2rem;
}
.button-navs a:first-child {
    border-radius: 300px 0 0 300px;
}
.button-navs a:last-child {
    border-radius: 0 300px 300px 0;
    margin-left: -5px;
}