*,
::before,
::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
:root {
  --color-one: #2c6ccf;
  --color-two: #cf2c2c;
  --color-three: #309e0e;
  --color-four: #cd661a;
}
body {
  font-family: Arial, Helvetica, sans-serif;
}

h3:nth-of-type(1) {
  color: var(--color-one);
}
h3:nth-of-type(2) {
  color: var(--color-two);
}
h3:nth-of-type(3) {
  color: var(--color-three);
}
h3:nth-of-type(4) {
  color: var(--color-four);
}

h3 {
  position: relative;
  margin-bottom: 3rem;
}

h3::before {
  content: '';
  position: absolute;
  top: 2rem;
  width: 0.8rem;
  height: 0.8rem;
}

h3::after {
  content: '';
  position: absolute;
  top: calc(2rem + 0.4rem);
  left: 0.8rem;
  transform: translateY(-50%);
  width: 16rem;
  height: 0.1rem;
  z-index: -1;
}

.triangle-up h3::after,
.triangle-down h3::after {
  top: 2rem;
}

h3:nth-of-type(1)::before {
  background-color: var(--color-one);
}

h3:nth-of-type(2)::before {
  background-color: var(--color-two);
}

h3:nth-of-type(3)::before {
  background-color: var(--color-three);
}

h3:nth-of-type(4)::before {
  background-color: var(--color-four);
}

h3:nth-of-type(1)::after {
  background: linear-gradient(to right, var(--color-one) 50%, #ddd 50%);
}

h3:nth-of-type(2)::after {
  background: linear-gradient(to right, var(--color-two) 50%, #ddd 50%);
}

h3:nth-of-type(3)::after {
  background: linear-gradient(to right, var(--color-three) 50%, #ddd 50%);
}

h3:nth-of-type(4)::after {
  background: linear-gradient(to right, var(--color-four) 50%, #ddd 50%);
}

.circle h3::before {
  border-radius: 50%;
}

.triangle-up h3::before {
  background-color: transparent;
  border: 0.6rem solid;
  transform: translateY(calc(-100% + 0.05rem));
}

.triangle-up h3:nth-of-type(1)::before {
  border-color: transparent transparent var(--color-one) transparent;
}

.triangle-up h3:nth-of-type(2)::before {
  border-color: transparent transparent var(--color-two) transparent;
}

.triangle-up h3:nth-of-type(3)::before {
  border-color: transparent transparent var(--color-three) transparent;
}

.triangle-up h3:nth-of-type(4)::before {
  border-color: transparent transparent var(--color-four) transparent;
}

.triangle-down h3::before {
  background-color: transparent;
  border: 0.6rem solid;
  transform: translateY(-0.05rem);
}

.triangle-down h3:nth-of-type(1)::before {
  border-color: var(--color-one) transparent transparent transparent;
}

.triangle-down h3:nth-of-type(2)::before {
  border-color: var(--color-two) transparent transparent transparent;
}

.triangle-down h3:nth-of-type(3)::before {
  border-color: var(--color-three) transparent transparent transparent;
}

.triangle-down h3:nth-of-type(4)::before {
  border-color: var(--color-four) transparent transparent transparent;
}

/* personal footer */

footer {
  margin-top: 2rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  line-height: 1.5;
  text-align: center;
}

.platform {
  font-weight: 500;
  color: #2eca7f;
}

.coder {
  font-weight: 500;
  color: #cf2937;
}

a {
  text-decoration: none;
}