網站開發進階(五十七)純CSS畫的基本圖形(矩形、圓形、三角形、多邊形、愛心、八卦等)

正方形

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#square {
 width: 100px;
 height: 100px;
 background: red;
}

長方形

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#rectangle {
 width: 200px;
height: 100px;
background: red;
 }

圓形

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.circle { 
 width: 100px; 
 height: 100px; 
 background: red; 
 border-radius: 50px; 
}

橢圓

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.oval { 
  width: 200px; 
  height: 100px; 
  background: red; 
  border-radius: 100px / 50px; 
}

上三角

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.triangle-up { 
  width: 0; 
  height: 0; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
  border-bottom: 100px solid red; 
}

下三角

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#triangle-down {
    width: 0;
    height: 0;
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-top: 100px solid red;
}

左上三角

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.triangle-topleft { 
  width: 0; 
  height: 0; 
  border-top: 100px solid red; 
  border-right: 100px solid transparent; 
}

右上三角

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#triangle-topright {
    width: 0;
    height: 0;
    border-top: 100px solid red;
    border-left: 100px solid transparent;
     
}

左下三角

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#triangle-bottomleft {
    width: 0;
    height: 0;
    border-bottom: 100px solid red;
    border-right: 100px solid transparent;  
}

右下三角

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#triangle-bottomright {
    width: 0;
    height: 0;
    border-bottom: 100px solid red;
    border-left: 100px solid transparent;
}

左三角

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#triangle-left {
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-right: 100px solid red;
    border-bottom: 50px solid transparent;
}

右三角

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#triangle-right {
    width: 0;
    height: 0;
    border-top: 50px solid transparent;
    border-left: 100px solid red;
    border-bottom: 50px solid transparent;
}

平行四邊形

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.parallelogram { 
  width: 150px; 
  height: 100px; 
  margin-left:20px; 
  transform: skew(20deg); 
  background: red; 
} 

梯形

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.trapezoid { 
  border-bottom: 100px solid red; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
  height: 0; 
  width: 100px; 
} 

六角星

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.star-six { 
  position: relative; 
  width: 0; 
  height: 0; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
  border-bottom: 100px solid red; 
} 
.star-six:after {
  content: "";  
  position: absolute; 
  top: 30px; 
  left: -50px; 
  width: 0; 
  height: 0; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
  border-top: 100px solid red; 
} 

五角星

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.star-five { 
  position: relative; 
  margin: 50px 0; 
  display: block; 
  color: red; 
  width: 0px; 
  height: 0px; 
  border-right: 100px solid transparent; 
  border-bottom: 70px solid red; 
  border-left: 100px solid transparent; 
  transform: rotate(35deg); 
} 
.star-five:before { 
  content: ''; 
  position: absolute; 
  top: -45px; 
  left: -65px; 
  border-bottom: 80px solid red; 
  border-left: 30px solid transparent; 
  border-right: 30px solid transparent; 
  height: 0; 
  width: 0; 
  display: block; 
  transform: rotate(-35deg); 
} 
.star-five:after { 
  content: '';
  position: absolute; 
  display: block; 
  color: red; 
  top: 3px; 
  left: -105px; 
  width: 0px; 
  height: 0px; 
  border-right: 100px solid transparent; 
  border-bottom: 70px solid red; 
  border-left: 100px solid transparent; 
  transform: rotate(-70deg); 
} 

五角大樓

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.pentagon { 
  position: relative; 
  width: 54px; 
  border-width: 50px 18px 0; 
  border-style: solid; 
  border-color: red transparent; 
} 
.pentagon:before { 
  content: ""; 
  position: absolute; 
  height: 0; 
  width: 0; 
  top: -85px; 
  left: -18px; 
  border-width: 0 45px 35px; 
  border-style: solid; 
  border-color: transparent transparent red; 
} 

六邊形

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.hexagon { 
  position: relative; 
  width: 100px; 
  height: 55px; 
  background: red; 
} 
.hexagon:before { 
  content: ""; 
  position: absolute; 
  top: -25px; 
  left: 0; 
  width: 0; 
  height: 0; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
  border-bottom: 25px solid red; 
} 
.hexagon:after { 
  content: ""; 
  position: absolute; 
  bottom: -25px; 
  left: 0; 
  width: 0; 
  height: 0; 
  border-left: 50px solid transparent; 
  border-right: 50px solid transparent; 
  border-top: 25px solid red; 
} 

八角形

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.octagon { 
  position: relative; 
  width: 100px; 
  height: 100px; 
  background: red; 
} 
.octagon:before { 
  content: ""; 
  position: absolute; 
  top: 0; 
  left: 0; 
  border-bottom: 29px solid red; 
  border-left: 29px solid #eee; 
  border-right: 29px solid #eee; 
  width: 42px; 
  height: 0; 
} 
.octagon:after { 
  content: ""; 
  position: absolute; 
  bottom: 0; 
  left: 0; 
  border-top: 29px solid red; 
  border-left: 29px solid #eee; 
  border-right: 29px solid #eee; 
  width: 42px; 
  height: 0; 
} 

愛心

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.heart { 
  position: relative; 
  width: 100px; 
  height: 90px; 
} 
.heart:before, .heart:after { 
  position: absolute; 
  content: ""; 
  left: 50px; 
  top: 0; 
  width: 50px; 
  height: 80px; 
  background: red; 
  border-radius: 50px 50px 0 0; 
  transform: rotate(-45deg);
  transform-origin: 0 100%; 
} 
.heart:after { 
  left: 0; 
  transform: rotate(45deg); 
  transform-origin :100% 100%; 
} 

無窮大符號

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.infinity { 
  position: relative; 
  width: 212px; 
  height: 100px; 
} 
.infinity:before, .infinity:after { 
  content: ""; 
  position: absolute; 
  top: 0; 
  left: 0; 
  width: 60px; 
  height: 60px; 
  border: 20px solid red; 
  border-radius: 50px 50px 0 50px; 
  transform: rotate(-45deg); 
} 
.infinity:after { 
  left: auto; 
  right: 0;
  border-radius: 50px 50px 50px 0; 
  transform: rotate(45deg); 
} 

雞蛋

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.egg { 
  display:block; 
  width: 126px; 
  height: 180px; 
  background-color: red; 
  -webkit-border-radius: 63px 63px 63px 63px / 108px 108px 72px 72px; 
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; 
} 

食逗人(Pac-Man)

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.pacman { 
  width: 0px; 
  height: 0px; 
  border-right: 60px solid transparent; 
  border-top: 60px solid red; 
  border-left: 60px solid red; 
  border-bottom: 60px solid red; 
  border-top-left-radius: 60px; 
  border-top-right-radius: 60px; 
  border-bottom-left-radius: 60px; 
  border-bottom-right-radius: 60px; 
} 

提示對話框

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.talkbubble { 
  position: relative; 
  width: 120px; 
  height: 80px; 
  background: red; 
  border-radius: 10px; 
} 
.talkbubble:before { 
  content:""; 
  position: absolute; 
  right: 100%; 
  top: 26px; 
  width: 0; 
  height: 0; 
  border-top: 13px solid transparent; 
  border-right: 26px solid red; 
  border-bottom: 13px solid transparent; 
} 

12角星

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.burst-12 { 
  background: red; 
  width: 80px; 
  height: 80px; 
  position: relative; 
  text-align: center; 
} 
.burst-12:before, .burst-12:after { 
  content: ""; 
  position: absolute; 
  top: 0; 
  left: 0; 
  height: 80px; 
  width: 80px; 
  background: red; 
} 
.burst-12:before { 
  transform: rotate(30deg); 
} 
.burst-12:after { 
  transform: rotate(60deg); 
} 

鑽石

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.cut-diamond { 
  border-style: solid; 
  border-color: transparent transparent red transparent; 
  border-width: 0 25px 25px 25px; 
  height: 0; 
  width: 50px; 
  position: relative; 
  margin: 20px 0 50px 0; 
} 
.cut-diamond:after { 
  content: ""; 
  position: absolute; 
  top: 25px; 
  left: -25px; 
  width: 0; 
  height: 0; 
  border-style: solid; 
  border-color: red transparent transparent transparent; 
  border-width: 70px 50px 0 50px; 
} 

陰陽八卦

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.yin-yang { 
  position: relative; 
  width: 96px; 
  height: 48px; 
  background: #eee; 
  border-color: red; 
  border-style: solid; 
  border-width: 2px 2px 50px 2px; 
  border-radius: 100%; 
} 
.yin-yang:before { 
  content: ""; 
  position: absolute; 
  top: 50%; 
  left: 0; 
  background: #eee; 
  border: 18px solid red; 
  border-radius: 100%; 
  width: 12px; 
  height: 12px; 
} 
.yin-yang:after { 
  content: ""; 
  position: absolute; 
  top: 50%; 
  left: 50%; 
  background: red; 
  border: 18px solid #eee; 
  border-radius:100%; 
  width: 12px; 
  height: 12px; 
} 
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