.circle {
    width: 150px;
    height: 150px;
    background-color: #f00;
    border-radius: 50%;
    margin: 10px;
}

.square {
    width: 150px;
    height: 150px;
    background-color: #0f0;
    margin: 10px;
}

.rectangle {
    width: 200px;
    height: 100px;
    background-color: #00f;
    margin: 10px;
}

.oval {
    width: 200px;
    height: 100px;
    background-color: #ff0;
    border-radius: 50%;
    margin: 10px;
}

.triangle {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 100px solid #f0f;
    margin: 10px;
}

.triangle-down {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-top: 100px solid #0ff;
    margin: 10px;
}

.triangle-left {
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-bottom: 50px solid transparent;
    border-right: 100px solid #ff00ff;
    margin: 10px;
}

.triangle-right {
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-bottom: 50px solid transparent;
    border-left: 100px solid #00ff00;
    margin: 10px;
}

.diamond {
    width: 120px;
    height: 120px;
    background: #1eff00;
    / * Rotate */
    -webkit-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    transform: rotate(-45deg);
    /* Rotate Origin */
    -webkit-transform-origin: 0 100%;
    -moz-transform-origin: 0 100%;
    -ms-transform-origin: 0 100%;
    -o-transform-origin: 0 100%;
    transform-origin: 0 100%;
    margin: 60px 0 10px 310px;
}

.trapezium {
    width: 150px;
    height: 0;
    border-bottom: 100px solid #ff0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    margin: 10px;
}

.parallelogram {
    width: 150px;
    height: 100px;
    transform: skew(30deg);
    background-color: #ff00ff;
    margin: 10px;
}

.star {
    width: 0;
    height: 0;
    margin: 50px 0;
    color: #fc2e5a;
    position: relative;
    display: block;
    border-right: 100px solid transparent;
    border-bottom: 70px solid #fc2e5a;
    border-left: 100px solid transparent;
    -moz-transform: rotate (35deg);
    -webkit-transform: rotate(35deg);
    -ms-transform: rotate (35deg);
    -o-transform: rotate (35deg);
}

.star:before {
    height: 0;
    width: 0;
    position: absolute;
    display: block;
    top: -45px;
    left: -65px;
    border-bottom: 80px solid #fc2e5a;
    border-left: 30px solid transparent;
    border-right: 30px solid transparent;
    content: '';
    -webkit-transform: rotate(-35deg);
    -moz-transform: rotate(-35deg);
    -ms-transform: rotate(-35deg)
    -o-transform: rotate(-35deg);
}

.star:after {
    content: '';
    width: 0;
    height: 0;
    position: absolute;
    display: block;
    top: 3px;
    left: -105px;
    color: #fc2e5a;
    border-right: 100px solid transparent;
    border-bottom: 70px solid #fc2e5a;
    border-left: 100px solid transparent;
    -webkit-transform: rotate(-70deg);
    -moz-transform: rotate(-70deg);
    -ms-transform: rotate(-70deg);
    -o-transform: rotate(-70deg);
}

.infinity {
    width: 220px;
    height: 100px;
    position: relative;
    margin: 10px;
}

.infinity:before,
.infinity:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    border: 20px solid transparent;
    border-radius: 50%;
}

.infinity:before {
    left: 0;
    border-right-color: #0000ff;
    transform: rotate(-45deg);
}

.infinity:after {
    right: 0;
    border-left-color: #0000ff;
    transform: rotate(45deg);
}

.comment-bubble {
    width: 140px;
    height: 100px;
    background-color: #088cb7;
    position: relative;
    border-radius: 12px;
    margin-left: 20px;
}

.comment-bubble:before {
    content: '';
    width: 0px;
    height: 0px;
    background-color: #088cb7;
    border-top: 13px solid #088cb7;
    border-right: 26px solid #088cb7;
    border-bottom: 13px solid #088cb7;
    position: absolute;
    top: 38px;
    right: 90%;
    transform: rotate(45deg);
}

.pacman {
    width: 0;
    height: 0;
    border-top: 70px solid yellow;
    border-bottom: 70px solid yellow;
    border-left: 70px solid yellow;
    border-right: 70px solid transparent;
    border-top-left-radius: 70px;
    border-top-right-radius: 70px;
    border-bottom-left-radius: 70px;
    border-bottom-right-radius: 70px;
}