body {
  width: 100%;
  height: 100%;
  background: linear-gradient(-135deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient 15s ease infinite;
  margin: 0px;
}

.tabel_info {
  width: 100%;
  height: auto;
}

.nume {
  font-size: 40px;
  text-decoration: underline;
}

.scoala {
  font-style: italic;
  font-size: 20px;
}

.link_scoala {
  font-weight: bold;
}

.descriere {
  font-size: 18px;
  text-align: justify;
}

.tabel_tutoriale {
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  height: auto;
  text-align: center;
}

.titlu_tab_tut {
  font-size: 40px;
  font-weight: bolder;
  text-decoration: underline;
}

.img_logo {
  width: 25%;
  height: auto;
  border-style: double;
  border-color: black;
}

.txt_logo {
  font-size: 23px;
}

.mapip {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.Harta_titlu {
  font-size: 40px;
  font-weight: bolder;
  text-decoration: underline;
}

.Bucuresti_harta {
  width: auto;
  border-top-style: solid;
  border-right-style: solid;
  border-bottom-style: solid;
  border-left-style: solid;
}

.ip {
  font-size: 30px;
  text-decoration: underline;
}
.calc {
  font-size: 30px;
  text-decoration: underline;
}

@keyframes gradient {
  0% {
    background-position: 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 50%;
  }
}

.button {
  text-align: center;
  text-transform: uppercase;
  cursor: pointer;
  font-size: 10px;
  position: relative;
  background-color: #16a085;
  border: none;
  color: #fff;
  width: 250px;
  transition-duration: 0.4s;
  overflow: hidden;
  box-shadow: 0 5px 15px #193047;
  border-radius: 4px;
}

.button:hover {
  background: #fff;
  box-shadow: 0px 2px 10px 5px #1abc9c;
  color: #000;
}

.button:after {
  content: "";
  background: #1abc9c;
  display: block;
  position: absolute;
  padding-top: 300%;
  padding-left: 350%;
  margin-left: -20px;
  margin-top: -120%;
  opacity: 0;
  transition: all 0.8s
}

.button:active:after {
  padding: 0;
  margin: 0;
  opacity: 1;
  transition: 0s
}

.button:focus {
  outline: 0;
}
.ipcalc{
  margin-left: auto;
  margin-right: auto;
}