:root {
  font-family: 'Montserrat';
}

@font-face {
    font-family: 'Montserrat';
    src: url('Montserrat-Regular.ttf') format('truetype');
    font-weight: 300; /* kann man noch verändern */
    font-style: normal;
}

.reader-centered {
    text-align: center;
}
        
img {
    max-width: 100%;
    height: auto;
    border: 1.5px solid #ccc;
    border-radius: 10px;
    margin-bottom: 5%;
    width: 40%;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 0.5em;
    padding: 1em;
    transition: all 0.5s;
    display: inline-flex;
    border: none;
    color: black;
    font-family: 'Montserrat';
    background: radial-gradient(circle, rgb(168, 247, 164), rgba(168, 247, 164, 0.15));
    z-index: 1000;
}

button:hover {
    background-color: rgb(128, 217, 114);
}

button:disabled {
    opacity: 0.25;
}

#counter {
    color: #000000;
    margin-left: 0.5em;
}
        
#az, #sz {
    justify-content: center;
    align-items: center;
    width: 4em;
    height: 4em;
    font-weight: 700;
    transition: 0.5s all ease;
}
        
#az:hover, #sz:hover {
    transform: scale(1.15);
}
        
#Zurueck, #Weiter {
    transition: 0.5s all ease;
}
        
#Zurueck:hover, #Weiter:hover {
    transform: scale(1.1);
}
        
h1 {
    font-family: 'Montserrat'; 
    font-weight: 700;
    font-size: 3em;
    margin: 10em;
}
        
.button-box {
    background-color: rgba(255, 255, 255, 0.85);
    border-radius: 1em;
    margin-bottom: 5em;
    padding: 0.25em;
}
        
@media (max-width: 750px) {
    .button-box {
        border-radius: 0.5em;
        margin-bottom: 1.5em;
        padding: 0.25em;
    } 
}
            
#az, #sz {
    justify-content: center;
    align-items: center;
    width: 3em;
    height: 3em;
    font-weight: 700;
    transition: 0.5s all ease;
}
            
#Zurueck, #Weiter {
    font-size: 75%;
}
            
.i-footer {
    height: 22em;
    width: 100%;
    bottom: 0%;
}