Template:Round button/styles.css

.tpl-round-button {
    display: inline-block;
    width: 54px;
    height: 54px;
    margin-right: 1.5em;
    margin-bottom: 1.5em;
}

.tpl-round-button a {
    border-radius: 50%;
    color: #ffffff;
    text-align: center;
    background-color: #53946b;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    width: 100%;
    height: 100%;
    padding: 12px;
}

.tpl-round-button-large {
    width: 68px;
    height: 68px;
}

.tpl-round-button-large a {
    padding: 15px;
}

.tpl-round-button-large a:hover {
	text-decoration: none;
	opacity: 0.8;
}