/* Style for the body */

body {
    background-image: linear-gradient(to right top, #313237, #403752, #613462, #8a2760, #af064b, #bc003c, #c6002a, #cc130f, #cc130d, #cd140a, #cd1407, #cd1504);
    background-size: cover;
    background-attachment: fixed;
    height: 100%;
    margin: 0; 
}

/* Style for the gallery container */

#gallery-container {
    max-width: 550px;
    margin: auto;
    margin-top: 30px;
    text-align: center;
}

/* Style for thumbnail images */

.thumbnail {
    width: 100px;
    height: 75px;
    margin: 5px;
    cursor: pointer;
}

/* Style for the larger display image */

#display-image {
    max-width: 100%;
    height: auto; 
    margin: 5px;
    display: none; 
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.5);
}

/* Style for ul */

ul {
    width: 550px;
    height: 100px;
    padding: 0;
    margin: 5px;
    list-style-type: none;
    background-color: #494D5F;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.9);
}

ul > h3 {
    margin: 3px;
    padding: 3px;
    padding-top: 10px;
    font-family:monospace;
    color:silver;
    display: flex;
    align-items: center;
}

#image-container ul {
    display: flex;
    justify-content: center; 
    padding: 0;
    overflow-x: auto;
    scroll-behavior: smooth;
}

/* Style for images inside the container */

#image-container ul img {
    width: 100px;
    height: 75px;
    margin: 5px;
    cursor: pointer;
    padding: 5px;
}

/* Style for the rounded buttons */

#transition-toggle{
    display: inline-block;
    padding: 3px 3px;
    margin-right: 5px;
    background-color: #f4f74c;
    color: #585858; 
    border: none;
    border-radius: 9px; 
    cursor: pointer;
    transition: background-color 0.3s ease; 
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif
}

#transition-toggle:hover{
    background-color: #2b2b2b;
    color: #f4f74c;
    font-weight: bold;
}

#clear-images-btn{
    display: inline-block;
    padding: 3px 3px;
    margin-right: 5px;
    background-color: rgb(221, 36, 36);
    border: 2px solid #999999;
    color: #fff;
    
    border-radius: 9px; 
    cursor: crosshair;
    transition: background-color 0.3s ease;
    font-family:'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif
}

#clear-images-btn:hover{
    background-color: #fff;
    color: rgb(221, 36, 36);
}

#title-for-smaller-screens {
    display: none;
}

#footer-container{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-top: 190px;
  padding-top: 190px;
}

#footer-content{
    
    display: inline-block;
    text-align: center;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    padding: 3px 3px;
    margin-right: 5px;
    background-color: rgb(221, 36, 36);
    border: 2px solid #999999;
    color: #fff;
    border-radius: 9px; 
    cursor: pointer;
    transition: background-color 0.3s ease;
    
}

#footer-content p small a{
    display: inline-block;
    text-align: center;
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    padding: 3px 3px;
    margin-right: 5px;
    background-color: rgb(192, 192, 192);
    border: 2px solid #999999;
    color: rgb(73, 73, 73);
    border-radius: 9px; 
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#footer-content p small a:hover{
    background-color:rgb(73, 73, 73);
    color: rgb(192, 192, 192);
}

/*Responsive Design Media Queries*/

@media screen and (max-width: 767px){

    #gallery-container {
        max-width: 100%;
    }

    .thumbnail {
        width: 70%;
        height: 10%;
        margin: 2px;
        padding: 2px;
    }

    #image-container ul {
        align-items: center;
        margin: 3px;
        padding: 2px;
        width: 97%;
        height: 80%; 
    }

    #image-container ul img {
        height: 100%;
        margin: 3px;
        padding: 3px;
    }

    #image-container h3{
        max-width:100%;
    }

    #display-image {
        max-width: 92%;
    }

    #transition-toggle,
    #clear-images-btn {
        margin-top: 10px; 
    }

    #title-for-smaller-screens {
        display: none;
    }
}


@media only screen and (width: 375px) and (height: 591px){

    #gallery-container {
        max-width: 100%;
    }

    .thumbnail {
        width: 1%;
        height: 1%;
    }
   
    #image-container ul {
        align-items: center;
        width: 97.3%;
        height: 80%;
    }

    #image-container ul img {
        height: 90%;
        margin: 0.5px;
        padding: 0.5px;
    }

    #image-container h3{
        max-width:30%;
        margin:0;
    }

    #display-image {
        max-width: 92%;
    }

    #transition-toggle,
    #clear-images-btn {
        margin-top: 10px; 
    }

    #title-for-smaller-screens {
        display: none;
    }
}


@media only screen and (width: 320px) and (height: 591px){

    #gallery-container {
        max-width: 100%;
    }

    #image-container ul {
        align-items: center;
        width: 95.5%;
    }

    #image-container ul img {
        height: 45%;
        margin: 0.5px;
        padding: 0.5px;
    }

    #image-container h3{
        display: none;
    }

    #display-image {
        max-width: 92%;
    }

    #transition-toggle,
    #clear-images-btn {
        margin-top: 10px; 
    }

    #title-for-smaller-screens {
        display: block;
        margin: 3px;
        margin-left: 15px;
        padding: 3px;
        padding-left: 15px;
        padding-top: 10px;
        font-family:monospace;
        color:silver;
        display: flex;
        align-items: center;
    }
}