:root{--clr-primary-1:hsl(43, 86%, 17%);--clr-primary-2:hsl(43, 77%, 27%);--clr-primary-3:hsl(43, 72%, 37%);--clr-primary-4:hsl(42, 63%, 48%);--clr-primary-5:hsl(42, 78%, 60%);--clr-primary-6:hsl(43, 89%, 70%);--clr-primary-7:hsl(43, 90%, 76%);--clr-primary-8:hsl(45, 86%, 81%);--clr-primary-9:hsl(45, 90%, 88%);--clr-primary-10:hsl(45, 100%, 96%);--clr-primary-11:#ddc4b2;--clr-grey-1:hsl(209, 61%, 16%);--clr-grey-2:hsl(211, 39%, 23%);--clr-grey-3:hsl(209, 34%, 30%);--clr-grey-4:hsl(209, 28%, 39%);--clr-grey-5:hsl(210, 22%, 49%);--clr-grey-6:hsl(209, 23%, 60%);--clr-grey-7:hsl(211, 27%, 70%);--clr-grey-8:hsl(210, 31%, 80%);--clr-grey-9:hsl(212, 33%, 89%);--clr-grey-10:hsl(210, 36%, 96%);--clr-new:#e861ae;--clr-white:#fff;--ff-primary:"Roboto", sans-serif;--ff-secondary:"Open Sans", sans-serif;--transition:all 0.3s linear;--spacing:0;--radius:0.5rem;--light-shadow:0 5px 15px rgba(0, 0, 0, 0.1);--dark-shadow:0 5px 15px rgba(0, 0, 0, 0.2);--max-width:1170px}.underline{background-color:var(--clr-primary-5)}.section-title{padding-top:2.5rem}a{color:#000}.single-problem{display:flex;flex-direction:column;align-items:center;justify-content:center}.single-problem img{margin-bottom:1rem}.section-center{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem 2rem;margin-bottom:1rem}@media screen and (max-width:764px){.section-center{grid-template-columns:repeat(1,1fr);gap:2rem}.section-center a{display:flex;justify-content:center;align-items:center}.single-problem{flex-direction:row;justify-content:space-between;text-align:center;box-shadow:var(--light-shadow);width:90%;padding:0 1rem}.single-problem img{height:70px;width:auto;margin-bottom:0;padding:.3rem 0}.single-problem:hover{transform:none}}