ring.css

.MMM-RingAlarm .btn {
    min-width: 150px;
}

.MMM-RingAlarm .module-content {
    margin-left: 20px;
    margin-right: 20px;
}

.ring-control {
    background: transparent;
    border: 1px solid #6c757d;
    font-size: .9rem;
    color: #fff;
    display: block;
    text-align: center;
    line-height: 1.5;
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
    box-sizing: border-box;
    position: relative;
    width: 100%;
    height: 5rem;
    margin: auto;
    font-weight: bold;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: none;
    outline: none;
}

.ring-pin-bg {
    position: absolute;
    z-index: 99;
    top: 0px;
    bottom: 0px;
    left: 0px;
    right: 0px;
    background: rgba(0.3, 0.3, 0.3, 0.75);
}

.ring-pin-header {
    color: #fff;
}

.ring-pin-outer {
    position: absolute;
    top: 50%;
    left: 25%;
    right: 25%;
    -ms-transform: translateY(-50%);
    transform: translateY(-50%);
    text-align: center;
}

.ring-pin-container {
    display: flex;
    justify-content: center;
    align-items: space-between;
    flex-wrap: wrap;
}

.ring-pin-container>* {
    flex: 0 0 30%;
    margin: 1%;
}

.ring-d-none {
    display: none !important;
}