body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: pink;
}

.hidden{
    display: none !important;
}

.container {
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid black;
    text-align: center;
}

.pause-container{
    height: 100%;
    width: 100%;
    background-color: rgba(255, 0, 0, 0.27);
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    backdrop-filter: blur(10px);
    flex-direction: column;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: hotpink;
    color: white;
    border: 2px solid rgb(130, 52, 65);
    border-radius: 5px;
    cursor: pointer;
    margin: 20px;
    user-select: none;
}

button:hover {
    background-color: rgb(156, 52, 104);
}

.group{
    display: flex;
    width: 500px;
    justify-content: center;
}

.word-group-container{
    justify-content: center;
    display: grid;
}

.word{
    border: 4px solid rgb(0, 73, 51);
    background-color: rgb(65, 198, 149);
    border-radius: 10px;
    width: 100px;
    height: 40px;
    padding: 10px;
    margin: 5px;
    user-select: none;
    justify-content: center;
    display: flex;
    align-items: center;
    transition: background-color 0.2s;
}

.word:hover{
    background-color: rgba(65, 198, 149, 0.439);
    cursor: pointer;
}

.selected{
    border: 4px solid rgb(65, 198, 149);
    background-color: rgb(255, 255, 255);
}

.grouped:hover{
    background-color: rgba(108, 206, 255, 0.761); /* use opacity instead */
}

.blue.grouped, .group-title-3.expanded{
    border: 4px solid rgb(0, 81, 146);
    background-color: rgb(108, 206, 255);
}

.green.grouped, .group-title-2.expanded{
    border: 4px solid rgb(20, 73, 0);
    background-color: rgb(93, 211, 50);
}

.red.grouped, .group-title-1.expanded{
    border: 4px solid rgb(126, 0, 42);
    background-color: rgb(255, 23, 74);
}

.yellow.grouped, .group-title-0.expanded{
    border: 4px solid rgb(137, 123, 0);
    background-color: rgb(255, 228, 22);
}

.group-title-0,
.group-title-1,
.group-title-2,
.group-title-3{
    padding: 0px;
    margin: 0px;
    height: 0px;
    overflow: hidden;
    transition: height 0.5s;
    transition: padding 0.5s;
}

.expanded{
    height: 25px;
    color: white;
    padding: 15px;
    border-radius: 30px;
    align-items: center;
    margin: 5px;
    display: flex;
    justify-content: center;
    user-select: none;
}

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

.guess0,
.guess1,
.guess2,
.guess3 {
    height: 30px;
    width: 30px;
    background-color: rgba(65, 198, 149);
    border-radius: 30px;
    margin: 10px;

}