/* Base class with common properties */
.all-css-properties {
    font-family: 'Arial', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #000000;
}

/* Subclass for Text and Font Styles */
.text-and-font-styles {
    text-align: left;
    text-decoration: none;
    text-transform: none;
    font-weight: normal;
}

/* Subclass for Box Model */
.box-model {
    width: 100px;
    height: 100px;
    padding: 10px;
    border: 1px solid #000000;
    margin: 10px;
}

/* Subclass for Layout */
.layout {
    display: block;
    position: static;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    overflow: hidden;
    z-index: 1;
}

/* Subclass for Background */
.background {
    background-color: #FFFFFF;
    background-image: url('image.jpg');
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

/* Subclass for Flexbox */
.flexbox {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: stretch;
    flex-grow: 1;
}

/* Subclass for Grid */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    grid-column: span 2;
    grid-row: span 2;
}

/* Subclass for Transforms */
.transforms {
    transform: rotate(45deg);
}

/* Subclass for Transitions */
.transitions {
    transition: all 0.3s ease-in-out;
}

/* Subclass for Animations */
.animations {
    animation: my-animation 5s infinite;
}

/* Subclass for Other Visual Properties */
.other-visual {
    opacity: 1;
    visibility: visible;
    box-shadow: 2px 2px 4px 0 rgba(0,0,0,0.2);
}