.mt-10 {margin-top: 10px;}
.mt-20 {margin-top: 20px;}
.mt-30 {margin-top: 30px;}
.mt-40 {margin-top: 40px;}

.mb-10 {margin-bottom: 10px;}
.mb-20 {margin-bottom: 20px;}
.mb-30 {margin-bottom: 30px;}
.mb-40 {margin-bottom: 40px;}

.uppercase {text-transform: uppercase;}

.dflex {
    justify-content: center;
    align-items: center;
    display: flex;
}