body{
    background-color: var(--color-light);
}
.black{
    color: var(--color-black);
}
.back_btn{
    display: inline-block;
    background-color: var(--color-black);
    color: white;
    padding: 14px 40px;
    border-radius: 5px;
    box-shadow: 1px 1px 5px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    width: 250px;
    justify-content: center;
    transition: 0.3s;
    margin: auto;
}
.back_btn:hover{
    background-color: var(--color-light);
    color: var(--color-black);

}
@media screen and (max-width: 568px){
    .back_btn {
        width: 220px;
        padding: 12px 0;
        font-size: 12px;
     }
     .back_btn span{
        font-size: 18px;
     }
}