/*
CSS-Syntax:
selector {
    property: value (s);
}

1) TAG Selector -> body, header, h1, p, ...
2) CLASS Selector -> .active, .important, .class-xyz ...

*/

header {
    background-color: skyblue;
    padding-top: 2.5em;
    padding-bottom: 2.5em;
    padding-left: 5vw;
    padding-right: 5vw;
    margin: 0px;
    background-size: 300px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    border-bottom: black solid 2px;


}

h1 {
    color: white;
    text-align: center;
    font-size: 8vw;
    margin-top: 0;
    margin-bottom: 0.5em;

    text-shadow: 10px 10px 15px black;

    font-family: "impact", sans-serif;
    font-weight: 400;
    font-style: normal;

}

footer {
    background-color: black;
    color: white;
    padding-top: 1em;
    padding: 1em;
    padding-left: 5vw;
    padding-right: 5vw;
}

h2 {
    font-size: 2.5em;
    font-weight: 400;
    text-align: center;
    margin-top: 0;
    margin-bottom: 0.5;
    padding-bottom: 0.5em;
    font-family: "gigalypse", sans-serif;
    font-weight: 800;
    font-style: normal;
}

main {
    background-color: skyblue;
    padding-top: 10vh;
    padding-right: 1em;
    padding-left: 1em;
    padding-bottom: 20vh;
}

nav a {
    background-color: white;
    color: black;
    text-decoration: none;
    padding: 0.6em;
    border: solid black 1px;
    transition: 0.3s;
    display: inline-block;
}


nav a:hover {
    background-color: black;
    color: white;

}



a {
    color: black;

}

body {
    margin: 0px;
    font-family: "ibm-plex-sans", sans-serif;
    font-weight: 700;
    font-style: normal;
}


article {
    background-color: white;
    padding-top: 2em;
    padding-bottom: 5em;
    margin-bottom: 15vh;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 5px 5px 50px black;

}

img {
    width: 100%;
}

figure {
    background-color: #f2f2f2;
    margin-bottom: 5em;
    margin-left: 0;
    margin-right: 0;

}

figcaption {
    text-align: center;
    padding-bottom: 1.5em;
    padding-top: 1.5em;
}

p {
    padding-right: 1em;
    padding-left: 1em;
    max-width: 75ch;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

ul {
    list-style-type: none;
    padding: 0;
    max-width: 75ch;
    margin-left: auto;
    margin-right: auto;
}

li {
    border-top: black solid 1px;
    margin-bottom: 2.5em;
    padding-top: 1em;
    padding-left;
    2em;
    padding-right: 2em;
    padding-left: 2em;

}

.important {
    font-size: 1.5em;
    border-top: solid 3px;
    border-bottom: solid 3px;
    padding-bottom: 1.5em;
    padding-top: 1.5em;
    text-align: center;
    max-width: 100ch;
    margin-bottom: 2em;
    margin-top: 2em;
    padding-left: 6em;
    padding-right: 6em;

}


.html {
    background-color: black;
    color: white;
    font-weight: 250;
    border: solid 2px black;
}

.maina {
    background-color: #275386;

}

.mainb {
    background-color: #002600;
}

.mainc {
    background-color: rgb(18, 23, 64);
}

.maind {
    background-color: #122548;
}

.color1 header {
    background-image: url(../img/deepai/matrix-5361690_960_720.webp);

}

.color2 header {
    background-image: url(../img/deepai/1713534935889,ki-kopf-symbolbild-header-100~_v-16x9@2dL_-6c42aff4e68b43c7868c3240d3ebfa29867457da.avif);
}

.color3 header {
    background-image: url(../img/deepai/contentmktmt2300002bfy23-markets-technology-awareness--whats-next-for-tech--thought-leadershipas3639.webp);
}

.color4 header {
    background-image: url(../img/deepai/Who-owns-IoT-SEPs-GettyImages-1025155222-scaled-e1688838955408.jpg);
}


.container {
    background-color: #c6c6c6;
    margin-top: 2.5em;
    margin-bottom: 2.5em;
    padding: 1em;

}

.item {
    background-color: royalblue;
    margin: 0.5em;
    padding: 0.5em;
    color: white;

}


.cont-inline div {
    display: inline;
}

.inline-block div {
    display: inline-block;
}

.display-flex .item {
    background-color: #c6c6c6;
    color: black;
}

.display-flex {
    background-color: royalblue;
    display: flex;
    flex-direction: row-reverse;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;

    min-height: 40vh;
    border: solid 3px lightgrey;
}