*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    color: #ffffff;
}
/* utility classes */
/* flex classes start */
.d-flex{
    display: flex;
}
.justify-center{
    justify-content: center;
}
.justify-between{
    justify-content: space-between;
}
.justify-around{
    justify-content: space-around;
}
.justify-evenly{
    justify-content: space-evenly;
}
.align-center{
    align-items: center;
}
.align-between{
    align-items: space-between;
}
.align-around{
    align-items: space-around;
}
.align-evenly{
    align-items: space-evenly;
}
.wrap{
    flex-wrap: wrap;
}
.flex-column{
    flex-direction: column;
}
.flex-row{
    flex-direction: row;
}
/* flex classes end */
/* margin classes start */
.m-1{
    margin: 5px;
}
.m-2{
    margin: 10px;
}
.m-3{
    margin: 15px;
}
.m-4{
    margin: 20px;
}
.mt-1{
    margin-top: 5px;
}
.mt-2{
    margin-top: 10px;
}
.mt-3{
    margin-top: 15px;
}
.mt-4{
margin-top: 20px;
}
.mt-5{
margin-top: 25px;
}

/* margin classes end */

/* padding classes start */
.pd-1{
    padding: 5px;
}
.pd-2{
    padding: 10px;
}
.pd-3{
    padding: 15px;
}
.pd-4{
    padding: 20px;
}
.pd-5{
    padding: 25px;
}
.pdt-1{
    padding-top: 5px;
}
.pdt-2{
    padding-top: 10px;
}
.pdt-3{
    padding-top: 15px;
}
.pdt-4{
    padding-top: 20px;
}
.pdt-5{
    padding-top: 70px;
}
/* padding classes ended */

.bg-light{
    background-color: #ffffff;
}
.bg-dark{
    background-color: #000000;
}
.bg-grey{
    background-color: #0f0f0f;
}

.center{
    text-align: center;
}
.start{
    text-align: start;
}
.rounded{
    border-radius: 30px;
}
.rounded-sm{
    border-radius: 10px;
}
.rounded-md{
    border-radius: 20px;
}
.text-dark{
    color: #000000;
}
.text-light{
    color: #ffffff;
}
.text-grey{
    color: #ffffffb3;
}

.transparent{
    background-color: transparent;
}