style.css

/**Allgemein**/
html {
    font-family: sans-serif;
}
/*************/

#container {
    display: flex;
    justify-content: center;
    flex-direction: row;
    height: 20vh;
    width: 100%;
}

#checkboxen {
    display: flex;
    flex-direction: row;
    margin: 9px;
}

div[id*='checkbox-']{
    display: flex;
    justify-content: center;
    flex-direction: row;
    font-family: sans-serif;
    font-weight: bold;
    font-size: 14px;
    font-weight: 500px;
    color: #0648B3;
}

#checkbox-1 {
    width: 33.33%;
    height: 9px;
    padding: 24px;
    align-items: center;
    border-style: solid;
    border-radius: 20px 0px 0px 20px;
    border-color: #0648B3;
    background-color: white;
    color: #0648B3;
    border-width: 1px;
}
#checkbox-1:hover {
    background-color: aliceblue;
    cursor: pointer;
}

#text-1:hover {
    cursor: pointer;
}

#checkbox-2 {
    width: 33.33%;
    height: 9px;
    padding: 24px 20px 24px 20px;
    align-items: center;
    border-style: solid;
    border-radius: 0px 0px 0px 0px;
    border-color: #0648B3 rgba(255, 255, 255, 0) #0648B3 rgba(255, 255, 255, 0);
    border-width: 1px;
}

#checkbox-2:hover {
    background-color: aliceblue;
    cursor: pointer;
}

#text-2:hover {
    cursor: pointer;
}

#checkbox-3 {
    display: flex;
    width: 33.33%;
    height: 9px;
    padding: 24px;
    align-items: center;
    border-style: solid;
    border-radius: 0px 20px 20px 0px;
    border-color: #0648B3;
    border-width: 1px;
}

#checkbox-3:hover  {
    background-color: aliceblue;
    cursor: pointer;
}

#text-3:hover {
    cursor: pointer;
}

div[id*='box-']{
    display: flex;
    flex-direction: row;
}

input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
}

/**NOT CHECKBOX**/
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

#navbar > ul {
    display: flex;
    flex-direction: row;
    background-color: #0648B3;
    font-weight: bold;
    color: white;
}
li[id*='item-']{
    
    margin: 1em;
}
/****************/