@import url("https://fonts.googleapis.com/css?family=Inconsolata:400,700|Lato&display=swap");

.masthead {
    padding-top: 50px;
    padding-bottom: 50px;
    position: relative;
}

.masthead h2 {
    text-align: center;
}

.masthead img {
    text-align: center;
    display: block;
    margin: 0 auto;
    width: 30%;
}

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

body {
    background: #008ddf;
    color: #000000;
    font-family: "Lato", sans-serif;
    /* horizontally center the .app container */
    display: flex;
    justify-content: center;
}

.app {
    margin: 3rem 1rem;
    /*position relative to position the button in the top left corner */
    position: relative;
    max-width: 600px;
    width: 90vw;
    background: #efefef;
    border: 5px solid currentColor;
}

/* add a pseudo element for a border using a repeating linear gradient */
.app:before {
    content: "";
    position: absolute;
    left: 0%;
    top: 0;
    transform: translate(-2rem, 3rem);
    width: 100%;
    height: 95%;
    z-index: -5;
}

/* absolute position the toggle button in the top left corner of the container */
.app__toggle {
    position: absolute;
    bottom: 100%;
    right: 100%;
    padding: 0.25rem;
    transform: translate(50%, 50%);
    width: 60px;
    height: 60px;
    background: #000000;
    border: none;
    clip-path: polygon(
            0 20%,
            20% 0%,
            80% 0%,
            100% 20%,
            100% 80%,
            80% 100%,
            20% 100%,
            0% 80%
    );
}
.app__toggle svg {
    width: 100%;
    height: 100%;
    color: #ffffff;
    display: block;
}

.app__faq {
    line-height: 1.75;
}
.app__faq details {
    /* padding to separate the details from each other and the first details from the absolutely positioned button
    ! margin is not used to guarantee that the dotted border considers the entire width of the container
    */
    padding: 2rem;
    /* ! lower padding-bottom to offset the margin included in the summary element */
    padding-bottom: 1.5rem;
    font-size: 0.95rem;
    /* transition for the change in background color */
    transition: background-color 0.3s ease-out;
}
/* include an all details but the last a dotted border-top */
.app__faq details + details {
    border-top: 3px dotted currentColor;
}
.app__faq summary {
    font-size: 1.15rem;
    /* margin to distance the detailed text from the summary */
    margin-bottom: 0.5rem;
    /* remove the default triangle */
    list-style: none;
    /* align the icon with the text of the summary and push the icon to the far right of the container */
    display: flex;
    align-items: center;
    justify-content: space-between;
    border:0px;
    outline:0px;
    cursor: pointer;
}
/* when the details element is opened update the background's color */
.app__faq details[open] {
    background-color: #d4d4d4;
}
/* when the details element is opened rotate the svg icon */
.app__faq details summary svg {
    transition: transform 0.25s cubic-bezier(0.17, 0.74, 0.74, 1.2);
}
.app__faq details[open] summary svg {
    transform: rotate(180deg);
}
/* remove the default triangle on chrome */
.app__faq summary::-webkit-details-marker {
    display: none;
}

.app__faq details a {
    color: inherit;
}
.app__faq code {
    font-family: "Inconsolata", monospace;
    background: #000000;
    color: #afcdff;
    border-radius: 4px;
    padding: 0.1rem 0.3rem;
}