random-radio-radio/webinterface/style.css

:root {
    --primary: #c5ff27;
    --black: black;
    --white: white;
    --gutter-sm: .5rem;
    --gutter-md: 1rem;
    --gutter-lg: 3rem;

    --font-size-base: 1rem;
}

@font-face {
    font-family: "WonderType";
    src:
      local("WonderType"),
      url("WonderType-Regular.otf") format("opentype"),
      url("trickster-outline.woff") format("woff");
  }

html,
body {
    width: 100%;
    height: 100%;
    margin: 0 0;
    padding: 0 0;
    
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--primary);
    font-family: "WonderType";
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--gutter-md);
    text-align: center;
}

button,
.button {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    background-color: var(--black);
    border: none;
    padding: var(--gutter-sm) var(--gutter-md);
    color: var(--white);
    font-weight: bolder;
    font-size: var(--font-size-base);
    transition: .2s all ease-in-out;
    font-family: "WonderType";
}

audio {
    display: none;
}

.button__wrapper {
    display: flex;
    justify-content: flex-center;
    flex-direction: column;
    width: 100%;
    padding: var(--gutter-lg);
    gap: var(--gutter-md);
    text-align: center;
}

a {
    color: var(--black);
}

.button--record {
    border-radius: 100%;
    max-width: 500px;
    max-height: 500px;
    aspect-ratio: 1 / 1;
    width: calc(100% - var(--gutter-lg) - var(--gutter-lg));
    position: relative;
    background-color: transparent;
}

@keyframes recording {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.button--record:before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: var(--black);
    border-radius: 100%;
    z-index: -1;
    transform: scale(1);
    transition: transform .1s linear;
}


.button--record[active="true"]:before {
    transform: scale(0);
}


.button--record[active="true"] {
    color: var(--black);
    animation-delay: 1s;
    border: none;
    border: 1rem dashed black;
    border-right-color: transparent;
    border-left-color: transparent;
    background-color: transparent;
    animation: 2s linear recording infinite;
}

.button--record[active="true"] .button__label {
    animation: 2s linear recording infinite;
    animation-direction: reverse;
}

.recorder {
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: space-between;
    align-items: center;
}