сверстан контейнер после нажатия на кнопку Начать демонстрацию

src/components/mainPart/mainPart.css

@@ -55,6 +55,12 @@
     background-color: #CE56C2;
 }
 
+.main-part-content {
+    display: flex;
+    flex-direction: column;
+    gap: 30px;
+}
+
 .main-part-text-container {
     width: 800px;
     display: flex;
@@ -89,6 +95,33 @@
     border-radius: 8px;
     border: none;
     color: #FFFFFF;
+    transition: .3s;
+    cursor: pointer;
+}
+
+.main-part-text-button:hover {
+    background-color: #FFFFFF;
+    color: #CE56C2;
+    border: 2px solid #CE56C2;
+    transition: .3s;
+}
+
+.main-part-content-or-line-container {
+    display: flex;
+    width: 320px;
+    justify-content: space-between;
+    align-items: center;
+    gap: 24px;
+
+    font-weight: 400;
+    font-size: 18px;
+    line-height: 130%;
+}
+
+.main-part-content-or-line {
+    height: 2px;
+    background-color: #FFFFFF;
+    width: 100%;
 }
 
 .main-part-footer-container {