basic.css

body,html{
    height: 100%;
    font-family: 'Ubuntu', sans-serif;
    margin: 0;
    padding: 0;
}
body{
    background-color: #fdeca6;
}

.container{
    font-size: 50px;
    color: #fdeca6;
    margin: 2rem;
}

.container > div{
    text-align: center;
}

.container > div >img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-container{
    cursor: pointer;
}

.img-container::before{
  position: absolute;
  z-index: 2;
  display: none;
  width: auto;
  max-width: 10rem;
  padding: 10px;
  font-size: 0.3em;
  /* line-height: 1.4em; */
  border-radius: 5px;
  background-color: rgba(57, 57, 57, 0.8);
  color: white;
  content: attr(value);
  overflow-wrap: break-word;
  margin-top: 5px;
  margin-left: 5px;
}

.img-container:hover::before{
    display: inline-block;
}


.img-container:hover .edit-icon-gallery {
    display: inline-block;
    cursor: pointer;

}

.img-container:hover .delete-icon-gallery {
    display: inline-block;
    cursor: pointer;
}

.edit-icon-gallery {
    font-size: 1.4rem;
    color: #fff;
    position: relative;
    bottom: 4.2rem;
    left: -35%;
    display: none;
    margin: auto 4px auto ;
}

.delete-icon-gallery {
    font-size: 1.4rem;
    color: #fff;
    position: relative;
    bottom: 4.2rem;
    left: -35%;
    display: none;
    margin: auto 4px auto ;

}
.edit-icon-gallery:hover{
    color: chartreuse;
}

.delete-icon-gallery:hover{
    color: red;
}

.gallery-list-holder{
    background-color: aliceblue;
    font-family: 'Ubuntu', sans-serif;
    display: inline-block;
    position: absolute;
    border: 1px solid grey;
    text-align: left;
    font-size: 0.8rem;
    font-weight: bold;
    display: none;
    border-radius: 5px;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
}

.img-container:hover .gallery-list-holder{
    margin-top: -3.8rem;
}


.gallery-list-holder > a{
    display: block;
    padding: 10px;
    border-radius: 1px;
    text-decoration: none;
}


.gallery-list-holder > a:hover{
    background-color: rgb(255, 166, 92);
    color: white;
    z-index: 1;
}

.add{
    display: block;
}


#revert-btn-container{
    display: flex;
    justify-content: center;
}

#revert-btn{
    padding:10px;
    margin: 10px;
    text-align: center;
    box-shadow: none;
    font-size: 20px;
    background-color: orangered;
    color: whitesmoke;
    border-style: none;
    cursor: pointer;
    outline: none;
}

#revert-btn:hover{
    z-index: 2;
    background-color: rgb(255, 0, 64);
    box-shadow: black;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);

}

#info-btn-container{
    position: absolute;
    top: 1rem;
    right: 3rem;
    display: inline-block;
    font-size: 1.5rem;
    text-align: center;
    padding: 0.5rem;
    color: black;
    background-color: beige;
    border-radius: 10rem;
    cursor: pointer;
    border: 2px solid red;
}

#info-box{
    width: 20rem;
    border: 2px solid grey;
    overflow-wrap: break-word;
    position: absolute;
    top: 2rem;
    right: 5rem;
    background-color: black;
    opacity: 0.9;
    color: #fff;
    border-radius: 10px;
    padding: 0.8rem;
    line-height: 1.5;
}

.open-info-box{
  display: block;
}

.close-info-box{
    display: none;
}

#info-btn-container:hover{
    color: crimson;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);

}

#gallery-input-form{
    display: flex;
    justify-content: center;
    margin: 30vh auto 20px;
    border-radius: 5px;
}


#gallery-input-form > fieldset{
    display: inline-block;
    padding: 10px;
    background-color: floralwhite;
    color: indigo;
    font-weight: bold;
    border-radius: 5px;
}

#gallery-input-form > fieldset >input{
    margin: 10px;
    padding: 5px;
    width: 16rem;
    border-radius: 3px;
    border: 1px solid grey;
}

#gallery-input-form > fieldset >input:focus{
    background-color: rgb(235, 229, 255);
}

#gallery-input-form >fieldset > button{
  font-size: 1rem;
  box-shadow: none;
  margin-left: 40%;
  margin-top: 10px;
  border: 1px sold;
  background-color: darkblue;
  color: white;
  border-radius: 4px;
  border-style: none;
  padding: 5px 10px 5px;
  font-weight: bold;
  z-index: 1;
  cursor: pointer;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);

}

#gallery-input-form >fieldset > button:hover{
    background-color: rgb(0, 30, 201);
}


.modal{
    width: 100%;
    height: 100%;
    position: fixed;
    top:0;
    background-color: black;
    justify-content: center;
    align-content: center;
}

.slide{
    display: flex;
    height: 100%;
    margin: 2rem;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.no-slide{
    display: none;
}

.modal-cross-icon{
    color: rgb(207, 207, 207);
    font-size: 4rem;
    position: absolute;
    right: 4rem;
    top: 2rem;
    cursor: pointer;
}

.modal-cross-icon:hover{
    color: #fff;
}

.modal-controls{
    color: rgb(207, 207, 207);
    font-size: 4rem;
    cursor: pointer;
}

.modal-prev-icon{
    position: absolute;
    left:2rem;
    top: 50%;
}

.modal-prev-icon:hover{
    color: #fff;
}

.modal-next-icon{
    position: absolute;
    right:2rem;
    top: 50%;
}

.modal-next-icon:hover{
    color: #fff;
}

.open-modal{
    display: flex;
}

.close-modal{
    display: none;
}

.modal-img-container{
  width: 90%;
  height: 80%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-img-container > img{
    height: 100%;
    width: auto;
    animation-name: zoom;
    animation-duration: 0.6s;
}

.modal-title-container{
    color: #fff;
    position: absolute;
    top:5%;
    /* right: 47%; */
}

@media only screen and (max-width: 1000px) {
    .modal-img-container > img{
        height: 80%;
        width: auto;
    }
}

@media only screen and (max-width: 800px) {
    .modal-img-container > img{
        height: 60%;
        width: auto;
    }

    .modal-controls{
        font-size: 3rem;
    }

    .modal-cross-icon{
        font-size: 3rem;
    }
}

@media only screen and (max-width: 600px) {
    .modal-img-container > img{
        height: 40%;
        width: auto;
    }

    .modal-controls{
        font-size: 2rem;
    }

    .modal-cross-icon{
        font-size: 2rem;
    }
}

@keyframes zoom {
    from {transform:scale(0)}
    to {transform:scale(1)}
  }