video {
    width: 100%; 
    max-width: 100%; 
    height: auto; /* maintain the aspect ratio */
}

.welcome {
    display: none;

}

.rad, .bild_alle, .bild_ani {
    width: 100%; 
    max-width: 100%; 
    height: auto;
}

.bild_ani {
    display: none;
    -webkit-transform: translateZ(0); /* for Chrome, Safari, and Opera */
    transform: translateZ(0); /* Standard syntax */
}


.load-last-exercise {
   
    margin: 20px auto; /* Centers the button */
}

#newButton {
    text-align: center;
   /* background-color: rgba(221, 183, 28, 0.15);*/
}

#infoText {
    display: none; /* Hidden by default */
    text-align: center; /* Center-align the text */
    padding: 10px; /* Add some padding */
    margin-top: 10px; /* Add some space between the image and the text */
    background-color: #c55e5e00; /* Light background to make the text stand out */
    border-radius: 5px; /* Optional: rounded corners */
    font-size: 26px; /* Adjust font size as needed */
    color: #333; /* Font color */
    max-width: 80%; /* Max width to ensure it doesn't stretch too wide */
    margin-left: auto; /* Combined with margin-right: auto, centers the block */
    margin-right: auto;
}




button {
    background-color: rgba(14, 32, 133, 0.15);
    border-radius: 8px;
    border-width: 0;
    color: #333333;
    cursor: pointer;
    display: inline-block;
    font-family: "Haas Grot Text R Web", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    list-style: none;
    margin: 0;
    padding: 10px 12px;
    text-align: center;
    transition: all 200ms;
    vertical-align: baseline;
    white-space: nowrap;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
  }

.debug {
    display: none;
}

html {
    font-family: Montserrat, Arial, sans-serif;
    text-align: center;
    background-color: rgb(231, 255, 255);


    background-image: url("https://img.simplerousercontent.net/scaled_image/8995793/33f7e8523fa07bc10bfb449979dae16f363fa3e6/Background-Image-App-1125w-3687h.jpg");
    background-size: cover;
    background-repeat:no-repeat;
    box-sizing:border-box;


}

.uebersicht {
margin-top: -10px;
font-size: 15px;
/*font-weight: lighter;*/
}

.uebersicht a:link {
    text-decoration: none;
    color: gold
}

.uebersicht a:visited {
    text-decoration: none;
    color: gold
   /* color: rgb(98, 113, 126);*/
}

.logobild {
    width: 60%;
    padding-top: 1em;
}
.vidcontain {
    display: none;
}

.vid_des {
    text-align: justify;
    padding: 0em 2em;
}


/*BASIC; ADVANCED; PRO*/

.slider-top-container {
    display: flex;
    justify-content: center;
}

.slider-container {
    position: relative;
    width: 400px;
    height: 40px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;

}

.slider {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 40px;
    background-color: #e0e0e0;
    border-radius: 100px;
    z-index: 1;
}

.button {
    position: absolute;
    width: 33.33%;
    height: 40px;
    background-color: #2196F3;
    border-radius: 15px;
    transition: left 0.3s;
    z-index: 2;
    box-shadow: 0px 3px 5px rgba(0, 0, 0, 0.1);
}

input[type="radio"] {
    display: none;
}

input[type="radio"]:nth-child(1):checked ~ .slider .button {
    left: 0%;
    background-color: lightblue;
}

input[type="radio"]:nth-child(2):checked ~ .slider .button {
    left: 33.33%;
    background-color: rgb(105, 105, 184);
}

input[type="radio"]:nth-child(3):checked ~ .slider .button {
    left: 66.66%;
    background-color: rgb(214, 99, 99);
}

label {
    width: 33.33%;
    text-align: center;
    font-family: Arial, sans-serif;
    z-index: 3;
    cursor: pointer;
}




.locked {
    color: grey;
    cursor: not-allowed;
}



ul {
    text-align: left;
}



.Fragen {
    display: none;
}

.hide_fragen {
    display: none;
    margin: 20px auto; /* Centers the button */
}









/*
.button-30 {
    align-items: center;
    appearance: none;
    background-color: #FCFCFD;
    border-radius: 4px;
    border-width: 0;
    box-shadow: rgba(45, 35, 66, 0.4) 0 2px 4px,rgba(45, 35, 66, 0.3) 0 7px 13px -3px,#D6D6E7 0 -3px 0 inset;
    box-sizing: border-box;
    color: #36395A;
    cursor: pointer;
    display: inline-flex;
    font-family: "JetBrains Mono",monospace;
    height: 48px;
    justify-content: center;
    line-height: 1;
    list-style: none;
    overflow: hidden;
    padding-left: 16px;
    padding-right: 16px;
    position: relative;
    text-align: left;
    text-decoration: none;
    transition: box-shadow .15s,transform .15s;
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    white-space: nowrap;
    will-change: box-shadow,transform;
    font-size: 18px;
  }
  
  .button-30:focus {
    box-shadow: #D6D6E7 0 0 0 1.5px inset, rgba(45, 35, 66, 0.4) 0 2px 4px, rgba(45, 35, 66, 0.3) 0 7px 13px -3px, #D6D6E7 0 -3px 0 inset;
  }
  
  .button-30:hover {
    box-shadow: rgba(45, 35, 66, 0.4) 0 4px 8px, rgba(45, 35, 66, 0.3) 0 7px 13px -3px, #D6D6E7 0 -3px 0 inset;
    transform: translateY(-2px);
  }
  
  .button-30:active {
    box-shadow: #D6D6E7 0 3px 7px inset;
    transform: translateY(2px);
  }
*/