* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

.auth {
    text-align: center;
}

.flex-container-main {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin: auto;
}

.flex-container-1 {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    max-width: 1500px;
    margin: auto;
}

.flex-container-2 {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    max-width: 1500px;
    margin: auto;
}

.flex-container-3 {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    text-align: center;
    max-width: 1500px;
    margin: auto;
}

.flex-container-gal {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    padding: 2%;
    max-width: 2000px;
    margin: auto;
}

.flex-container-gal-services {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: baseline;
    padding: 2% 15% 2% 15%;
    max-width: 2000px;
    margin: auto;
}

.flex-item-navi {
    padding: 20px 20px 50px 20px;
    flex: 100%;
    flex-grow: inherit;
}

.flex-item-main {
    padding: 10px 10px 10px 10px;
    flex: 90%;
    flex-grow: inherit;
    text-align: center;
    border-radius: 10px;
    /*background-image: url(../../images/header/network.jpg);*/
    background-size: cover;
    width: 100%;
    /*max-width: 1500px;*/
    margin: auto;
}

#particles{
    text-align: start;
}

#canvas1{
    /*background-color:#ffffff;*/
    position: absolute;
}

.flex-item-search {
    padding: 15% 10px 15% 10px;
    flex: 75%;
}

.flex-container-java{
    overflow: hidden;
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center; /*centers items on the line (the x-axis by default)*/
    align-items: center; /*centers items on the cross-axis (y by default)*/
    flex-direction: column;
    flex-wrap: wrap;
}

.flex-item-java {
    padding: 10%;
    flex-grow: inherit;
    text-align: center;
}

.flex-item-box {
    padding: 10px 30px 25px 30px;
    flex: 75%;
    flex-grow: inherit;
    margin: 15px;
    border-radius: 15px;
    background-color: #fbfbfb;
    box-shadow: 0 13px 8px -10px #f0f4f7;
}

.flex-item-box-center {
    padding: 10px 30px 25px 30px;
    flex: 75%;
    flex-grow: inherit;
    margin: 15px;
    border-radius: 15px;
    background-color: #fbfbfb;
    box-shadow: 0 13px 8px -10px #f0f4f7;
    text-align: center;
}

.flex-item-box-services {
    padding: 10px 30px 25px 30px;
    flex: 75%;
    flex-grow: inherit;
    max-width: 1200px;
    margin: 15px;
    border-radius: 15px;
    background-color: #fbfbfb;
    box-shadow: 0 13px 8px -10px #f0f4f7;
    text-align: center;
}

.flex-item-h2 {
    padding: 10px 30px 25px 30px;
    flex: 75%;
    flex-grow: inherit;
    margin: 15px;
    border-radius: 15px;
    text-align: center;
}

.flex-item-message {
    padding: 10px;
    flex: 75%;
    flex-grow: inherit;
    max-width: 90%;
    text-align: center;
    position: relative;
    animation-name: example;
    animation-duration: 6s;
    animation-iteration-count: 1;
    -webkit-animation-name: example; /* Safari 4.0 - 8.0 */
    -webkit-animation-duration: 4s; /* Safari 4.0 - 8.0 */
    -webkit-animation-iteration-count: 1; /* Safari 4.0 - 8.0 */
}

.flex-item-cloud {
    padding: 10px 10% 10px 15%;
    width: 50%;
    flex-basis: 50%;
}

.pagination {
    width: 100%;
    text-align: center;
    margin: 50px 0 50px 0;
}

.flex-item-col-0 {
    padding: 10px 10% 10px 10%;
    max-width: 1000px;
}

.flex-item-col-1 {
    padding: 10px 30px 10px 30px;
    width: 70%;
    flex-basis: 70%;
    margin: 15px;
    border-radius: 15px;
    background-color: #fbfbfb;
    box-shadow: 0 13px 8px -10px #f0f4f7;
}

.flex-item-col-2 {
    padding: 10px 30px 10px 30px;
    width: 45%;
    max-width: 500px;
    flex-basis: 45%;
    text-align: -webkit-center;
    text-align: -moz-center;
    margin: 15px;
    border-radius: 15px;
    background-color: #fbfbfb;
    box-shadow: 0 13px 8px -10px #f0f4f7;
}

.flex-item-col-3 {
    padding: 10px 30px 25px 30px;
    width: 28.33%;
    flex-basis: 28%;
    text-align: -webkit-center;
    text-align: -moz-center;
    margin: 15px;
    border-radius: 15px;
    background-color: #fbfbfb;
    box-shadow: 0 13px 8px -10px #f0f4f7;
}

.flex-item-col-4 {
    padding: 10px 30px 10px 30px;
    width: 25%;
    flex-basis: 25%;
}

.flex-item-col-5 {
    padding: 10px 30px 10px 30px;
    width: 20%;
    flex-basis: 20%;
}

.flex-item-footer {
    padding: 80px 10px 10px 10px;
    flex-grow: inherit;
    text-align: center;
}
  
/* Standard syntax */
@keyframes example {
    100%   {left:0px; top:0px;}
    25%  {left:0px; top:0px;}
    0%   {left:100%; top:0%;}
}

/* Safari 4.0 - 8.0 */
@-webkit-keyframes example {
    100%   {left:0px; top:0px;}
    25%  {left:0px; top:0px;}
    0%   {left:100%; top:0%;}
}

/* Extra large devices (large laptops and desktops, 1200px and up) */
@media only screen and (min-width: 1200px){
    
    .flex-item-cloud {
        padding: 10px 10% 10px 15%;
    }

}

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (max-width: 992px){

    [class*="flex-item-box"] {
        flex: 75%;
    }

    .flex-item-col-3 {
        width: 78%;
        flex-basis: 75%;
    }
    
    .flex-item-cloud {
        padding: 10px 10% 10px 10%;
    }
}

/* Medium devices (landscape tablets, 768px and up) */
@media only screen and (max-width: 768px){

    /* For mobile phones: */
    [class*="flex-item-col-"] {
        width: 93%;
        flex-basis: 90%;
    }

    [class*="flex-item-box"] {
        flex: 75%;
    }

    .flex-item-cloud {
        width: 78%;
        flex-basis: 75%;
    }
}

/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {

    .flex-item-box {
        flex: 90%;
    }

}

/* Stil für das Light-Theme */
body {
    background-color: #ffffff;
    color: #000000;
  }
  
  /* Stil für das Dark-Theme */
  @media (prefers-color-scheme: dark) {
    body {
      background-color: #202020;
      color: #ffffff;
    }

    .flex-item-box {
        background-color: #212121;
        box-shadow: 0 13px 8px -10px #252525;
    }

    .flex-item-box-center {
        background-color: #212121;
        box-shadow: 0 13px 8px -10px #252525;
    }

    .flex-item-box-services {
        background-color: #212121;
        box-shadow: 0 13px 8px -10px #252525;
    }

    .flex-item-col-1 {
        background-color: #212121;
        box-shadow: 0 13px 8px -10px #252525;
    }
    
    .flex-item-col-2 {
        background-color: #212121;
        box-shadow: 0 13px 8px -10px #252525;
    }

    .flex-item-col-3 {
        background-color: #212121;
        box-shadow: 0 13px 8px -10px #252525;
    }
  }
  