.css_check_mittellung input[type="checkbox"] {
    display: inline-block;
    position: relative;
    width: 25px;
    height: 25px;
    font-weight: 300;
    font-size: 16px;
    margin: 0px 5px 0px 0px;
    padding: 0;
    line-height: 26px;
    z-index: 10;
    content: "";
    left: 0;
    top: 5px;
    border: 1px solid #e5e5e5;
    cursor: pointer;
    -webkit-box-shadow: 1px 1px 4px 0 #797979;
    box-shadow: 1px 1px 4px 0 #797979;
    background: #e5e5e5;
}
.css_check_mittellung {
    display: block;
    line-height: 30px;
}