html/back_button.css


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/**
 * part of Hachette
 * Style for a "back" button with a CSS arrow image.
 *
 * Copyright (C) 2021 Wojtek Kosior
 * Redistribution terms are gathered in the `copyright' file.
 */

.back_button {
    display: block;
    width: auto;
    height: auto;
    background-color: white;
    border: solid #454 0.4em;
    border-left: none;
    border-radius: 0 1.5em 1.5em 0;
    cursor: pointer;
}

.back_button:hover {
    box-shadow: 0 6px 8px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}

.back_button>div, .back_arrow {
    width: 2em;
    height: 0.5em;
    background-color: #4CAF50;
    border-radius: 0.3em;
    margin: 1.15em 0.4em;
}

.back_button>div::after, .back_arrow::after,
.back_button>div::before, .back_arrow::before {
    content: "";
    display: block;
    position: relative;
    background-color: inherit;
    width: 1.3em;
    height: 0.5em;
    transform: rotate(45deg);
    border-radius: 0.3em;
    top: 0.3em;
    right: 0.2em;
    margin: 0 -1.3em -0.5em 0;
}

.back_button>div::before, .back_arrow::before {
    transform: rotate(-45deg);
    top: -0.3em;
}