p { color: red; }
    body { background-color: #eee; }

    .z1{ 
    width: 90px;
    height: 20px;
    background: white;
    border: 3px solid black;
    margin-left: 60px;
    margin-top: 40px;
    position: absolute;
    border-bottom-right-radius: 45px;
}

.z2{ 
    width: 20px;
    height: 120px;
    transform: skew(-34deg);
    background: white;
    border: 3px solid black;
    margin-left: 96px;
    margin-top: 40px;
    position: absolute;
}

.z3{ 
    width: 90px;
    height: 20px;
    background: white;
    border: 3px solid black;
    margin-left: 65px;
    margin-top: 140px;
    position: absolute;
    border-top-left-radius: 40px;
}